Finding the Fourth Proportional to 126,290.32, 174,279.78 and 69,701.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,290.32 : 174,279.78 = 69,701.69 : x
2. Step 2: Convert to fraction form
   126,290.32/174,279.78 = 69,701.69/x
3. Step 3: Cross multiply
   126,290.32x = 174,279.78 × 69,701.69
4. Step 4: Simplify right side
   126,290.32x = 12,147,595,198.83
5. Step 5: Solve for x
   x = 12,147,595,198.83/126,290.32
6. Step 6: Final answer
   x = 96,187.86