Finding the Fourth Proportional to 9,357.62, 12,916.20 and 5,532.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357.62 : 12,916.20 = 5,532.80 : x
2. Step 2: Convert to fraction form
   9,357.62/12,916.20 = 5,532.80/x
3. Step 3: Cross multiply
   9,357.62x = 12,916.20 × 5,532.80
4. Step 4: Simplify right side
   9,357.62x = 71,462,686.78
5. Step 5: Solve for x
   x = 71,462,686.78/9,357.62
6. Step 6: Final answer
   x = 7,636.85