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Finding the Fourth Proportional to 214,532.80, 322,058.40 and 212,977.60

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Solution

The fourth proportional to 214,532.80, 322,058.40 and 212,977.60 is: 319,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,532.80 : 322,058.40 = 212,977.60 : x
  2. Step 2: Convert to fraction form
    214,532.80/322,058.40 = 212,977.60/x
  3. Step 3: Cross multiply
    214,532.80x = 322,058.40 × 212,977.60
  4. Step 4: Simplify right side
    214,532.80x = 68,591,225,091.84
  5. Step 5: Solve for x
    x = 68,591,225,091.84/214,532.80
  6. Step 6: Final answer
    x = 319,723.72

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