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Finding the Fourth Proportional to 30,819.52, 42,530.60 and 17,395.12

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Solution

The fourth proportional to 30,819.52, 42,530.60 and 17,395.12 is: 24,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,819.52 : 42,530.60 = 17,395.12 : x
  2. Step 2: Convert to fraction form
    30,819.52/42,530.60 = 17,395.12/x
  3. Step 3: Cross multiply
    30,819.52x = 42,530.60 × 17,395.12
  4. Step 4: Simplify right side
    30,819.52x = 739,824,591.04
  5. Step 5: Solve for x
    x = 739,824,591.04/30,819.52
  6. Step 6: Final answer
    x = 24,005.07

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