Finding the Fourth Proportional to 126,128.28, 174,128.22 and 83,744.76

Step by Step Solution

1. Step 1: Write the proportion equation
   126,128.28 : 174,128.22 = 83,744.76 : x
2. Step 2: Convert to fraction form
   126,128.28/174,128.22 = 83,744.76/x
3. Step 3: Cross multiply
   126,128.28x = 174,128.22 × 83,744.76
4. Step 4: Simplify right side
   126,128.28x = 14,582,325,993.13
5. Step 5: Solve for x
   x = 14,582,325,993.13/126,128.28
6. Step 6: Final answer
   x = 115,615.04