Finding the Fourth Proportional to 9,702.16, 13,387.88 and 5,453.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,702.16 : 13,387.88 = 5,453.52 : x
2. Step 2: Convert to fraction form
   9,702.16/13,387.88 = 5,453.52/x
3. Step 3: Cross multiply
   9,702.16x = 13,387.88 × 5,453.52
4. Step 4: Simplify right side
   9,702.16x = 73,011,071.34
5. Step 5: Solve for x
   x = 73,011,071.34/9,702.16
6. Step 6: Final answer
   x = 7,525.24