Finding the Fourth Proportional to 22,645.86, 31,250.71 and 12,573.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,645.86 : 31,250.71 = 12,573.98 : x
2. Step 2: Convert to fraction form
   22,645.86/31,250.71 = 12,573.98/x
3. Step 3: Cross multiply
   22,645.86x = 31,250.71 × 12,573.98
4. Step 4: Simplify right side
   22,645.86x = 392,945,802.53
5. Step 5: Solve for x
   x = 392,945,802.53/22,645.86
6. Step 6: Final answer
   x = 17,351.77