Finding the Fourth Proportional to 12,499.76, 17,244.48 and 8,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.76 : 17,244.48 = 8,022.56 : x
2. Step 2: Convert to fraction form
   12,499.76/17,244.48 = 8,022.56/x
3. Step 3: Cross multiply
   12,499.76x = 17,244.48 × 8,022.56
4. Step 4: Simplify right side
   12,499.76x = 138,344,875.47
5. Step 5: Solve for x
   x = 138,344,875.47/12,499.76
6. Step 6: Final answer
   x = 11,067.80