Finding the Fourth Proportional to 126,978.92, 175,232.89 and 69,623.48

Step by Step Solution

1. Step 1: Write the proportion equation
   126,978.92 : 175,232.89 = 69,623.48 : x
2. Step 2: Convert to fraction form
   126,978.92/175,232.89 = 69,623.48/x
3. Step 3: Cross multiply
   126,978.92x = 175,232.89 × 69,623.48
4. Step 4: Simplify right side
   126,978.92x = 12,200,323,612.26
5. Step 5: Solve for x
   x = 12,200,323,612.26/126,978.92
6. Step 6: Final answer
   x = 96,081.49