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Finding the Fourth Proportional to 214,912.40, 322,368.60 and 57,156.80

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Solution

The fourth proportional to 214,912.40, 322,368.60 and 57,156.80 is: 85,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,912.40 : 322,368.60 = 57,156.80 : x
  2. Step 2: Convert to fraction form
    214,912.40/322,368.60 = 57,156.80/x
  3. Step 3: Cross multiply
    214,912.40x = 322,368.60 × 57,156.80
  4. Step 4: Simplify right side
    214,912.40x = 18,425,557,596.48
  5. Step 5: Solve for x
    x = 18,425,557,596.48/214,912.40
  6. Step 6: Final answer
    x = 85,735.20

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