Finding the Fourth Proportional to 12,359.86, 17,060.77 and 7,514.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.86 : 17,060.77 = 7,514.57 : x
2. Step 2: Convert to fraction form
   12,359.86/17,060.77 = 7,514.57/x
3. Step 3: Cross multiply
   12,359.86x = 17,060.77 × 7,514.57
4. Step 4: Simplify right side
   12,359.86x = 128,204,350.42
5. Step 5: Solve for x
   x = 128,204,350.42/12,359.86
6. Step 6: Final answer
   x = 10,372.64