Finding the Fourth Proportional to 9,147.52, 12,609.60 and 5,604.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.52 : 12,609.60 = 5,604.16 : x
2. Step 2: Convert to fraction form
   9,147.52/12,609.60 = 5,604.16/x
3. Step 3: Cross multiply
   9,147.52x = 12,609.60 × 5,604.16
4. Step 4: Simplify right side
   9,147.52x = 70,666,215.94
5. Step 5: Solve for x
   x = 70,666,215.94/9,147.52
6. Step 6: Final answer
   x = 7,725.18