Finding the Fourth Proportional to 126,023.94, 173,908.92 and 72,308.10

Step by Step Solution

1. Step 1: Write the proportion equation
   126,023.94 : 173,908.92 = 72,308.10 : x
2. Step 2: Convert to fraction form
   126,023.94/173,908.92 = 72,308.10/x
3. Step 3: Cross multiply
   126,023.94x = 173,908.92 × 72,308.10
4. Step 4: Simplify right side
   126,023.94x = 12,575,023,578.25
5. Step 5: Solve for x
   x = 12,575,023,578.25/126,023.94
6. Step 6: Final answer
   x = 99,782.82