Finding the Fourth Proportional to 9,602.47, 13,251.34 and 5,353.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,602.47 : 13,251.34 = 5,353.57 : x
2. Step 2: Convert to fraction form
   9,602.47/13,251.34 = 5,353.57/x
3. Step 3: Cross multiply
   9,602.47x = 13,251.34 × 5,353.57
4. Step 4: Simplify right side
   9,602.47x = 70,941,976.28
5. Step 5: Solve for x
   x = 70,941,976.28/9,602.47
6. Step 6: Final answer
   x = 7,387.89