Finding the Fourth Proportional to 22,242.57, 30,693.57 and 12,682.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,242.57 : 30,693.57 = 12,682.74 : x
2. Step 2: Convert to fraction form
   22,242.57/30,693.57 = 12,682.74/x
3. Step 3: Cross multiply
   22,242.57x = 30,693.57 × 12,682.74
4. Step 4: Simplify right side
   22,242.57x = 389,278,706.86
5. Step 5: Solve for x
   x = 389,278,706.86/22,242.57
6. Step 6: Final answer
   x = 17,501.52