Finding the Fourth Proportional to 9,531.52, 13,152.96 and 5,553.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.52 : 13,152.96 = 5,553.28 : x
2. Step 2: Convert to fraction form
   9,531.52/13,152.96 = 5,553.28/x
3. Step 3: Cross multiply
   9,531.52x = 13,152.96 × 5,553.28
4. Step 4: Simplify right side
   9,531.52x = 73,042,069.71
5. Step 5: Solve for x
   x = 73,042,069.71/9,531.52
6. Step 6: Final answer
   x = 7,663.21