Finding the Fourth Proportional to 9,602.78, 13,250.93 and 5,353.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,602.78 : 13,250.93 = 5,353.43 : x
2. Step 2: Convert to fraction form
   9,602.78/13,250.93 = 5,353.43/x
3. Step 3: Cross multiply
   9,602.78x = 13,250.93 × 5,353.43
4. Step 4: Simplify right side
   9,602.78x = 70,937,833.17
5. Step 5: Solve for x
   x = 70,937,833.17/9,602.78
6. Step 6: Final answer
   x = 7,387.22