Finding the Fourth Proportional to 22,479.57, 31,005.72 and 17,165.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,479.57 : 31,005.72 = 17,165.16 : x
2. Step 2: Convert to fraction form
   22,479.57/31,005.72 = 17,165.16/x
3. Step 3: Cross multiply
   22,479.57x = 31,005.72 × 17,165.16
4. Step 4: Simplify right side
   22,479.57x = 532,218,144.72
5. Step 5: Solve for x
   x = 532,218,144.72/22,479.57
6. Step 6: Final answer
   x = 23,675.64