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Finding the Fourth Proportional to 111,265.68, 166,898.64 and 28,159.68

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Solution

The fourth proportional to 111,265.68, 166,898.64 and 28,159.68 is: 42,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,265.68 : 166,898.64 = 28,159.68 : x
  2. Step 2: Convert to fraction form
    111,265.68/166,898.64 = 28,159.68/x
  3. Step 3: Cross multiply
    111,265.68x = 166,898.64 × 28,159.68
  4. Step 4: Simplify right side
    111,265.68x = 4,699,812,294.84
  5. Step 5: Solve for x
    x = 4,699,812,294.84/111,265.68
  6. Step 6: Final answer
    x = 42,239.55

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