Finding the Fourth Proportional to 9,702.28, 13,389.15 and 5,510.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,702.28 : 13,389.15 = 5,510.53 : x
2. Step 2: Convert to fraction form
   9,702.28/13,389.15 = 5,510.53/x
3. Step 3: Cross multiply
   9,702.28x = 13,389.15 × 5,510.53
4. Step 4: Simplify right side
   9,702.28x = 73,781,319.15
5. Step 5: Solve for x
   x = 73,781,319.15/9,702.28
6. Step 6: Final answer
   x = 7,604.53