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Finding the Fourth Proportional to 104,429.48, 144,108.81 and 56,681.80

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Solution

The fourth proportional to 104,429.48, 144,108.81 and 56,681.80 is: 78,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,429.48 : 144,108.81 = 56,681.80 : x
  2. Step 2: Convert to fraction form
    104,429.48/144,108.81 = 56,681.80/x
  3. Step 3: Cross multiply
    104,429.48x = 144,108.81 × 56,681.80
  4. Step 4: Simplify right side
    104,429.48x = 8,168,346,386.39
  5. Step 5: Solve for x
    x = 8,168,346,386.39/104,429.48
  6. Step 6: Final answer
    x = 78,218.78

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