Finding the Fourth Proportional to 126,978.68, 175,232.55 and 69,623.24

Step by Step Solution

1. Step 1: Write the proportion equation
   126,978.68 : 175,232.55 = 69,623.24 : x
2. Step 2: Convert to fraction form
   126,978.68/175,232.55 = 69,623.24/x
3. Step 3: Cross multiply
   126,978.68x = 175,232.55 × 69,623.24
4. Step 4: Simplify right side
   126,978.68x = 12,200,257,008.30
5. Step 5: Solve for x
   x = 12,200,257,008.30/126,978.68
6. Step 6: Final answer
   x = 96,081.15