Finding the Fourth Proportional to 22,350.74, 30,842.10 and 12,790.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,350.74 : 30,842.10 = 12,790.71 : x
2. Step 2: Convert to fraction form
   22,350.74/30,842.10 = 12,790.71/x
3. Step 3: Cross multiply
   22,350.74x = 30,842.10 × 12,790.71
4. Step 4: Simplify right side
   22,350.74x = 394,492,356.89
5. Step 5: Solve for x
   x = 394,492,356.89/22,350.74
6. Step 6: Final answer
   x = 17,650.08