Finding the Fourth Proportional to 12,499.18, 17,248.62 and 7,464.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.18 : 17,248.62 = 7,464.52 : x
2. Step 2: Convert to fraction form
   12,499.18/17,248.62 = 7,464.52/x
3. Step 3: Cross multiply
   12,499.18x = 17,248.62 × 7,464.52
4. Step 4: Simplify right side
   12,499.18x = 128,752,718.52
5. Step 5: Solve for x
   x = 128,752,718.52/12,499.18
6. Step 6: Final answer
   x = 10,300.90