Finding the Fourth Proportional to 11,915.52, 16,443.72 and 6,610.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,915.52 : 16,443.72 = 6,610.43 : x
2. Step 2: Convert to fraction form
   11,915.52/16,443.72 = 6,610.43/x
3. Step 3: Cross multiply
   11,915.52x = 16,443.72 × 6,610.43
4. Step 4: Simplify right side
   11,915.52x = 108,699,977.78
5. Step 5: Solve for x
   x = 108,699,977.78/11,915.52
6. Step 6: Final answer
   x = 9,122.55