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Finding the Fourth Proportional to 85,304.40, 127,956.60 and 37,919.40

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Solution

The fourth proportional to 85,304.40, 127,956.60 and 37,919.40 is: 56,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,304.40 : 127,956.60 = 37,919.40 : x
  2. Step 2: Convert to fraction form
    85,304.40/127,956.60 = 37,919.40/x
  3. Step 3: Cross multiply
    85,304.40x = 127,956.60 × 37,919.40
  4. Step 4: Simplify right side
    85,304.40x = 4,852,037,498.04
  5. Step 5: Solve for x
    x = 4,852,037,498.04/85,304.40
  6. Step 6: Final answer
    x = 56,879.10

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