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Finding the Fourth Proportional to 93,681.60, 129,325.20 and 57,892.56

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Solution

The fourth proportional to 93,681.60, 129,325.20 and 57,892.56 is: 79,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,681.60 : 129,325.20 = 57,892.56 : x
  2. Step 2: Convert to fraction form
    93,681.60/129,325.20 = 57,892.56/x
  3. Step 3: Cross multiply
    93,681.60x = 129,325.20 × 57,892.56
  4. Step 4: Simplify right side
    93,681.60x = 7,486,966,900.51
  5. Step 5: Solve for x
    x = 7,486,966,900.51/93,681.60
  6. Step 6: Final answer
    x = 79,919.29

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