Finding the Fourth Proportional to 83,999.16, 126,042.48 and 34,116.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,999.16 : 126,042.48 = 34,116.12 : x
2. Step 2: Convert to fraction form
   83,999.16/126,042.48 = 34,116.12/x
3. Step 3: Cross multiply
   83,999.16x = 126,042.48 × 34,116.12
4. Step 4: Simplify right side
   83,999.16x = 4,300,080,372.78
5. Step 5: Solve for x
   x = 4,300,080,372.78/83,999.16
6. Step 6: Final answer
   x = 51,191.94