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Finding the Fourth Proportional to 37,806.72, 52,178.28 and 21,896.16

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Solution

The fourth proportional to 37,806.72, 52,178.28 and 21,896.16 is: 30,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.72 : 52,178.28 = 21,896.16 : x
  2. Step 2: Convert to fraction form
    37,806.72/52,178.28 = 21,896.16/x
  3. Step 3: Cross multiply
    37,806.72x = 52,178.28 × 21,896.16
  4. Step 4: Simplify right side
    37,806.72x = 1,142,503,967.40
  5. Step 5: Solve for x
    x = 1,142,503,967.40/37,806.72
  6. Step 6: Final answer
    x = 30,219.60

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