Finding the Fourth Proportional to 83,792.39, 125,729.55 and 39,423.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,792.39 : 125,729.55 = 39,423.56 : x
2. Step 2: Convert to fraction form
   83,792.39/125,729.55 = 39,423.56/x
3. Step 3: Cross multiply
   83,792.39x = 125,729.55 × 39,423.56
4. Step 4: Simplify right side
   83,792.39x = 4,956,705,829.55
5. Step 5: Solve for x
   x = 4,956,705,829.55/83,792.39
6. Step 6: Final answer
   x = 59,154.61