Finding the Fourth Proportional to 9,602.72, 13,251.84 and 5,354.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,602.72 : 13,251.84 = 5,354.15 : x
2. Step 2: Convert to fraction form
   9,602.72/13,251.84 = 5,354.15/x
3. Step 3: Cross multiply
   9,602.72x = 13,251.84 × 5,354.15
4. Step 4: Simplify right side
   9,602.72x = 70,952,272.88
5. Step 5: Solve for x
   x = 70,952,272.88/9,602.72
6. Step 6: Final answer
   x = 7,388.77