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Finding the Fourth Proportional to 38,154.43, 57,241.37 and 11,859.40

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Solution

The fourth proportional to 38,154.43, 57,241.37 and 11,859.40 is: 17,792.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.43 : 57,241.37 = 11,859.40 : x
  2. Step 2: Convert to fraction form
    38,154.43/57,241.37 = 11,859.40/x
  3. Step 3: Cross multiply
    38,154.43x = 57,241.37 × 11,859.40
  4. Step 4: Simplify right side
    38,154.43x = 678,848,303.38
  5. Step 5: Solve for x
    x = 678,848,303.38/38,154.43
  6. Step 6: Final answer
    x = 17,792.12

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