Finding the Fourth Proportional to 9,632.40, 14,445.72 and 5,012.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,632.40 : 14,445.72 = 5,012.88 : x
2. Step 2: Convert to fraction form
   9,632.40/14,445.72 = 5,012.88/x
3. Step 3: Cross multiply
   9,632.40x = 14,445.72 × 5,012.88
4. Step 4: Simplify right side
   9,632.40x = 72,414,660.87
5. Step 5: Solve for x
   x = 72,414,660.87/9,632.40
6. Step 6: Final answer
   x = 7,517.82