Finding the Fourth Proportional to 9,510.55, 13,123.62 and 5,531.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.55 : 13,123.62 = 5,531.92 : x
2. Step 2: Convert to fraction form
   9,510.55/13,123.62 = 5,531.92/x
3. Step 3: Cross multiply
   9,510.55x = 13,123.62 × 5,531.92
4. Step 4: Simplify right side
   9,510.55x = 72,598,815.95
5. Step 5: Solve for x
   x = 72,598,815.95/9,510.55
6. Step 6: Final answer
   x = 7,633.50