Finding the Fourth Proportional to 22,580.86, 31,160.34 and 12,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,580.86 : 31,160.34 = 12,508.50 : x
2. Step 2: Convert to fraction form
   22,580.86/31,160.34 = 12,508.50/x
3. Step 3: Cross multiply
   22,580.86x = 31,160.34 × 12,508.50
4. Step 4: Simplify right side
   22,580.86x = 389,769,112.89
5. Step 5: Solve for x
   x = 389,769,112.89/22,580.86
6. Step 6: Final answer
   x = 17,261.04