Finding the Fourth Proportional to 126,379.59, 174,403.71 and 69,790.83

Step by Step Solution

1. Step 1: Write the proportion equation
   126,379.59 : 174,403.71 = 69,790.83 : x
2. Step 2: Convert to fraction form
   126,379.59/174,403.71 = 69,790.83/x
3. Step 3: Cross multiply
   126,379.59x = 174,403.71 × 69,790.83
4. Step 4: Simplify right side
   126,379.59x = 12,171,779,675.98
5. Step 5: Solve for x
   x = 12,171,779,675.98/126,379.59
6. Step 6: Final answer
   x = 96,311.28