Finding the Fourth Proportional to 12,088.62, 16,687.71 and 7,374.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,088.62 : 16,687.71 = 7,374.78 : x
2. Step 2: Convert to fraction form
   12,088.62/16,687.71 = 7,374.78/x
3. Step 3: Cross multiply
   12,088.62x = 16,687.71 × 7,374.78
4. Step 4: Simplify right side
   12,088.62x = 123,068,189.95
5. Step 5: Solve for x
   x = 123,068,189.95/12,088.62
6. Step 6: Final answer
   x = 10,180.50