Finding the Fourth Proportional to 9,510.43, 13,123.26 and 5,530.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.43 : 13,123.26 = 5,530.90 : x
2. Step 2: Convert to fraction form
   9,510.43/13,123.26 = 5,530.90/x
3. Step 3: Cross multiply
   9,510.43x = 13,123.26 × 5,530.90
4. Step 4: Simplify right side
   9,510.43x = 72,583,438.73
5. Step 5: Solve for x
   x = 72,583,438.73/9,510.43
6. Step 6: Final answer
   x = 7,631.98