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Finding the Fourth Proportional to 52,959.63, 79,430.68 and 17,421.38

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Solution

The fourth proportional to 52,959.63, 79,430.68 and 17,421.38 is: 26,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.63 : 79,430.68 = 17,421.38 : x
  2. Step 2: Convert to fraction form
    52,959.63/79,430.68 = 17,421.38/x
  3. Step 3: Cross multiply
    52,959.63x = 79,430.68 × 17,421.38
  4. Step 4: Simplify right side
    52,959.63x = 1,383,792,059.94
  5. Step 5: Solve for x
    x = 1,383,792,059.94/52,959.63
  6. Step 6: Final answer
    x = 26,129.19

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