Finding the Fourth Proportional to 9,132.17, 12,602.18 and 5,153.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.17 : 12,602.18 = 5,153.18 : x
2. Step 2: Convert to fraction form
   9,132.17/12,602.18 = 5,153.18/x
3. Step 3: Cross multiply
   9,132.17x = 12,602.18 × 5,153.18
4. Step 4: Simplify right side
   9,132.17x = 64,941,213.16
5. Step 5: Solve for x
   x = 64,941,213.16/9,132.17
6. Step 6: Final answer
   x = 7,111.26