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Finding the Fourth Proportional to 37,797.20, 56,695.80 and 12,865.40

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Solution

The fourth proportional to 37,797.20, 56,695.80 and 12,865.40 is: 19,298.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,797.20 : 56,695.80 = 12,865.40 : x
  2. Step 2: Convert to fraction form
    37,797.20/56,695.80 = 12,865.40/x
  3. Step 3: Cross multiply
    37,797.20x = 56,695.80 × 12,865.40
  4. Step 4: Simplify right side
    37,797.20x = 729,414,145.32
  5. Step 5: Solve for x
    x = 729,414,145.32/37,797.20
  6. Step 6: Final answer
    x = 19,298.10

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