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Finding the Fourth Proportional to 320,866.13, 442,911.90 and 186,730.13

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Solution

The fourth proportional to 320,866.13, 442,911.90 and 186,730.13 is: 257,755.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,866.13 : 442,911.90 = 186,730.13 : x
  2. Step 2: Convert to fraction form
    320,866.13/442,911.90 = 186,730.13/x
  3. Step 3: Cross multiply
    320,866.13x = 442,911.90 × 186,730.13
  4. Step 4: Simplify right side
    320,866.13x = 82,704,994,450.99
  5. Step 5: Solve for x
    x = 82,704,994,450.99/320,866.13
  6. Step 6: Final answer
    x = 257,755.46

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