Finding the Fourth Proportional to 126,111.66, 174,003.15 and 83,086.38

Step by Step Solution

1. Step 1: Write the proportion equation
   126,111.66 : 174,003.15 = 83,086.38 : x
2. Step 2: Convert to fraction form
   126,111.66/174,003.15 = 83,086.38/x
3. Step 3: Cross multiply
   126,111.66x = 174,003.15 × 83,086.38
4. Step 4: Simplify right side
   126,111.66x = 14,457,291,842.10
5. Step 5: Solve for x
   x = 14,457,291,842.10/126,111.66
6. Step 6: Final answer
   x = 114,638.82