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Finding the Fourth Proportional to 96,428.55, 133,068.45 and 53,406.33

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Solution

The fourth proportional to 96,428.55, 133,068.45 and 53,406.33 is: 73,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.55 : 133,068.45 = 53,406.33 : x
  2. Step 2: Convert to fraction form
    96,428.55/133,068.45 = 53,406.33/x
  3. Step 3: Cross multiply
    96,428.55x = 133,068.45 × 53,406.33
  4. Step 4: Simplify right side
    96,428.55x = 7,106,697,553.29
  5. Step 5: Solve for x
    x = 7,106,697,553.29/96,428.55
  6. Step 6: Final answer
    x = 73,699.11

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