Finding the Fourth Proportional to 12,330.52, 17,011.92 and 7,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,330.52 : 17,011.92 = 7,552.72 : x
2. Step 2: Convert to fraction form
   12,330.52/17,011.92 = 7,552.72/x
3. Step 3: Cross multiply
   12,330.52x = 17,011.92 × 7,552.72
4. Step 4: Simplify right side
   12,330.52x = 128,486,268.42
5. Step 5: Solve for x
   x = 128,486,268.42/12,330.52
6. Step 6: Final answer
   x = 10,420.18