Finding the Fourth Proportional to 9,512.04, 13,124.56 and 5,531.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,512.04 : 13,124.56 = 5,531.12 : x
2. Step 2: Convert to fraction form
   9,512.04/13,124.56 = 5,531.12/x
3. Step 3: Cross multiply
   9,512.04x = 13,124.56 × 5,531.12
4. Step 4: Simplify right side
   9,512.04x = 72,593,516.31
5. Step 5: Solve for x
   x = 72,593,516.31/9,512.04
6. Step 6: Final answer
   x = 7,631.75