Finding the Fourth Proportional to 11,352.10, 15,654.90 and 7,575.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,352.10 : 15,654.90 = 7,575.42 : x
2. Step 2: Convert to fraction form
   11,352.10/15,654.90 = 7,575.42/x
3. Step 3: Cross multiply
   11,352.10x = 15,654.90 × 7,575.42
4. Step 4: Simplify right side
   11,352.10x = 118,592,442.56
5. Step 5: Solve for x
   x = 118,592,442.56/11,352.10
6. Step 6: Final answer
   x = 10,446.75