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Finding the Fourth Proportional to 5,571.63, 8,357.85 and 1,874.79

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Solution

The fourth proportional to 5,571.63, 8,357.85 and 1,874.79 is: 2,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.63 : 8,357.85 = 1,874.79 : x
  2. Step 2: Convert to fraction form
    5,571.63/8,357.85 = 1,874.79/x
  3. Step 3: Cross multiply
    5,571.63x = 8,357.85 × 1,874.79
  4. Step 4: Simplify right side
    5,571.63x = 15,669,213.60
  5. Step 5: Solve for x
    x = 15,669,213.60/5,571.63
  6. Step 6: Final answer
    x = 2,812.32

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