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Finding the Fourth Proportional to 12,795.08, 19,213.46 and 7,895.87

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Solution

The fourth proportional to 12,795.08, 19,213.46 and 7,895.87 is: 11,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.08 : 19,213.46 = 7,895.87 : x
  2. Step 2: Convert to fraction form
    12,795.08/19,213.46 = 7,895.87/x
  3. Step 3: Cross multiply
    12,795.08x = 19,213.46 × 7,895.87
  4. Step 4: Simplify right side
    12,795.08x = 151,706,846.86
  5. Step 5: Solve for x
    x = 151,706,846.86/12,795.08
  6. Step 6: Final answer
    x = 11,856.66

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