Finding the Fourth Proportional to 9,132.32, 12,602.48 and 5,154.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,132.32 : 12,602.48 = 5,154.72 : x
2. Step 2: Convert to fraction form
   9,132.32/12,602.48 = 5,154.72/x
3. Step 3: Cross multiply
   9,132.32x = 12,602.48 × 5,154.72
4. Step 4: Simplify right side
   9,132.32x = 64,962,255.71
5. Step 5: Solve for x
   x = 64,962,255.71/9,132.32
6. Step 6: Final answer
   x = 7,113.44