Finding the Fourth Proportional to 83,891.34, 125,880.76 and 34,008.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,891.34 : 125,880.76 = 34,008.30 : x
2. Step 2: Convert to fraction form
   83,891.34/125,880.76 = 34,008.30/x
3. Step 3: Cross multiply
   83,891.34x = 125,880.76 × 34,008.30
4. Step 4: Simplify right side
   83,891.34x = 4,280,990,650.31
5. Step 5: Solve for x
   x = 4,280,990,650.31/83,891.34
6. Step 6: Final answer
   x = 51,030.19