Finding the Fourth Proportional to 126,843.47, 175,046.82 and 72,394.55

Step by Step Solution

1. Step 1: Write the proportion equation
   126,843.47 : 175,046.82 = 72,394.55 : x
2. Step 2: Convert to fraction form
   126,843.47/175,046.82 = 72,394.55/x
3. Step 3: Cross multiply
   126,843.47x = 175,046.82 × 72,394.55
4. Step 4: Simplify right side
   126,843.47x = 12,672,435,762.83
5. Step 5: Solve for x
   x = 12,672,435,762.83/126,843.47
6. Step 6: Final answer
   x = 99,906.09