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Finding the Fourth Proportional to 9,876.84, 14,808.30 and 4,942.98

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Solution

The fourth proportional to 9,876.84, 14,808.30 and 4,942.98 is: 7,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.84 : 14,808.30 = 4,942.98 : x
  2. Step 2: Convert to fraction form
    9,876.84/14,808.30 = 4,942.98/x
  3. Step 3: Cross multiply
    9,876.84x = 14,808.30 × 4,942.98
  4. Step 4: Simplify right side
    9,876.84x = 73,197,130.73
  5. Step 5: Solve for x
    x = 73,197,130.73/9,876.84
  6. Step 6: Final answer
    x = 7,410.99

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