Finding the Fourth Proportional to 126,978.32, 175,232.06 and 69,622.88

Step by Step Solution

1. Step 1: Write the proportion equation
   126,978.32 : 175,232.06 = 69,622.88 : x
2. Step 2: Convert to fraction form
   126,978.32/175,232.06 = 69,622.88/x
3. Step 3: Cross multiply
   126,978.32x = 175,232.06 × 69,622.88
4. Step 4: Simplify right side
   126,978.32x = 12,200,160,685.53
5. Step 5: Solve for x
   x = 12,200,160,685.53/126,978.32
6. Step 6: Final answer
   x = 96,080.66