Finding the Fourth Proportional to 126,766.56, 174,939.90 and 69,404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   126,766.56 : 174,939.90 = 69,404.88 : x
2. Step 2: Convert to fraction form
   126,766.56/174,939.90 = 69,404.88/x
3. Step 3: Cross multiply
   126,766.56x = 174,939.90 × 69,404.88
4. Step 4: Simplify right side
   126,766.56x = 12,141,682,766.71
5. Step 5: Solve for x
   x = 12,141,682,766.71/126,766.56
6. Step 6: Final answer
   x = 95,779.86