Finding the Fourth Proportional to 11,185.59, 15,436.12 and 6,472.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,185.59 : 15,436.12 = 6,472.61 : x
2. Step 2: Convert to fraction form
   11,185.59/15,436.12 = 6,472.61/x
3. Step 3: Cross multiply
   11,185.59x = 15,436.12 × 6,472.61
4. Step 4: Simplify right side
   11,185.59x = 99,911,961.33
5. Step 5: Solve for x
   x = 99,911,961.33/11,185.59
6. Step 6: Final answer
   x = 8,932.20