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Finding the Fourth Proportional to 115,777.80, 173,666.70 and 56,651.40

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Solution

The fourth proportional to 115,777.80, 173,666.70 and 56,651.40 is: 84,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,777.80 : 173,666.70 = 56,651.40 : x
  2. Step 2: Convert to fraction form
    115,777.80/173,666.70 = 56,651.40/x
  3. Step 3: Cross multiply
    115,777.80x = 173,666.70 × 56,651.40
  4. Step 4: Simplify right side
    115,777.80x = 9,838,461,688.38
  5. Step 5: Solve for x
    x = 9,838,461,688.38/115,777.80
  6. Step 6: Final answer
    x = 84,977.10

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