Finding the Fourth Proportional to 9,702.38, 13,387.88 and 5,452.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,702.38 : 13,387.88 = 5,452.72 : x
2. Step 2: Convert to fraction form
   9,702.38/13,387.88 = 5,452.72/x
3. Step 3: Cross multiply
   9,702.38x = 13,387.88 × 5,452.72
4. Step 4: Simplify right side
   9,702.38x = 73,000,341.20
5. Step 5: Solve for x
   x = 73,000,341.20/9,702.38
6. Step 6: Final answer
   x = 7,523.96