Finding the Fourth Proportional to 83,981.68, 125,971.72 and 34,049.91

Step by Step Solution

1. Step 1: Write the proportion equation
   83,981.68 : 125,971.72 = 34,049.91 : x
2. Step 2: Convert to fraction form
   83,981.68/125,971.72 = 34,049.91/x
3. Step 3: Cross multiply
   83,981.68x = 125,971.72 × 34,049.91
4. Step 4: Simplify right side
   83,981.68x = 4,289,325,728.55
5. Step 5: Solve for x
   x = 4,289,325,728.55/83,981.68
6. Step 6: Final answer
   x = 51,074.54