Finding the Fourth Proportional to 17,672.02, 24,393.06 and 11,315.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.02 : 24,393.06 = 11,315.72 : x
2. Step 2: Convert to fraction form
   17,672.02/24,393.06 = 11,315.72/x
3. Step 3: Cross multiply
   17,672.02x = 24,393.06 × 11,315.72
4. Step 4: Simplify right side
   17,672.02x = 276,025,097.89
5. Step 5: Solve for x
   x = 276,025,097.89/17,672.02
6. Step 6: Final answer
   x = 15,619.33