Finding the Fourth Proportional to 126,080.09, 173,990.61 and 71,632.35

Step by Step Solution

1. Step 1: Write the proportion equation
   126,080.09 : 173,990.61 = 71,632.35 : x
2. Step 2: Convert to fraction form
   126,080.09/173,990.61 = 71,632.35/x
3. Step 3: Cross multiply
   126,080.09x = 173,990.61 × 71,632.35
4. Step 4: Simplify right side
   126,080.09x = 12,463,356,070.77
5. Step 5: Solve for x
   x = 12,463,356,070.77/126,080.09
6. Step 6: Final answer
   x = 98,852.69