Finding the Fourth Proportional to 22,098.74, 30,494.61 and 12,540.60

Step by Step Solution

1. Step 1: Write the proportion equation
   22,098.74 : 30,494.61 = 12,540.60 : x
2. Step 2: Convert to fraction form
   22,098.74/30,494.61 = 12,540.60/x
3. Step 3: Cross multiply
   22,098.74x = 30,494.61 × 12,540.60
4. Step 4: Simplify right side
   22,098.74x = 382,420,706.17
5. Step 5: Solve for x
   x = 382,420,706.17/22,098.74
6. Step 6: Final answer
   x = 17,305.09