Finding the Fourth Proportional to 11,059.52, 15,264.64 and 7,531.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,059.52 : 15,264.64 = 7,531.20 : x
2. Step 2: Convert to fraction form
   11,059.52/15,264.64 = 7,531.20/x
3. Step 3: Cross multiply
   11,059.52x = 15,264.64 × 7,531.20
4. Step 4: Simplify right side
   11,059.52x = 114,961,056.77
5. Step 5: Solve for x
   x = 114,961,056.77/11,059.52
6. Step 6: Final answer
   x = 10,394.76