Finding the Fourth Proportional to 22,508.98, 31,060.77 and 12,437.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,508.98 : 31,060.77 = 12,437.30 : x
2. Step 2: Convert to fraction form
   22,508.98/31,060.77 = 12,437.30/x
3. Step 3: Cross multiply
   22,508.98x = 31,060.77 × 12,437.30
4. Step 4: Simplify right side
   22,508.98x = 386,312,114.72
5. Step 5: Solve for x
   x = 386,312,114.72/22,508.98
6. Step 6: Final answer
   x = 17,162.58