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Finding the Fourth Proportional to 5,787.98, 8,678.96 and 2,826.56

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Solution

The fourth proportional to 5,787.98, 8,678.96 and 2,826.56 is: 4,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.98 : 8,678.96 = 2,826.56 : x
  2. Step 2: Convert to fraction form
    5,787.98/8,678.96 = 2,826.56/x
  3. Step 3: Cross multiply
    5,787.98x = 8,678.96 × 2,826.56
  4. Step 4: Simplify right side
    5,787.98x = 24,531,601.18
  5. Step 5: Solve for x
    x = 24,531,601.18/5,787.98
  6. Step 6: Final answer
    x = 4,238.37

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