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Finding the Fourth Proportional to 19,138.34, 28,692.02 and 5,983.94

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Solution

The fourth proportional to 19,138.34, 28,692.02 and 5,983.94 is: 8,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.34 : 28,692.02 = 5,983.94 : x
  2. Step 2: Convert to fraction form
    19,138.34/28,692.02 = 5,983.94/x
  3. Step 3: Cross multiply
    19,138.34x = 28,692.02 × 5,983.94
  4. Step 4: Simplify right side
    19,138.34x = 171,691,326.16
  5. Step 5: Solve for x
    x = 171,691,326.16/19,138.34
  6. Step 6: Final answer
    x = 8,971.07

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