Finding the Fourth Proportional to 22,570.26, 31,146.58 and 12,498.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,570.26 : 31,146.58 = 12,498.49 : x
2. Step 2: Convert to fraction form
   22,570.26/31,146.58 = 12,498.49/x
3. Step 3: Cross multiply
   22,570.26x = 31,146.58 × 12,498.49
4. Step 4: Simplify right side
   22,570.26x = 389,285,218.66
5. Step 5: Solve for x
   x = 389,285,218.66/22,570.26
6. Step 6: Final answer
   x = 17,247.71