Finding the Fourth Proportional to 126,311.30, 174,311.04 and 69,722.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,311.30 : 174,311.04 = 69,722.72 : x
2. Step 2: Convert to fraction form
   126,311.30/174,311.04 = 69,722.72/x
3. Step 3: Cross multiply
   126,311.30x = 174,311.04 × 69,722.72
4. Step 4: Simplify right side
   126,311.30x = 12,153,439,834.83
5. Step 5: Solve for x
   x = 12,153,439,834.83/126,311.30
6. Step 6: Final answer
   x = 96,218.15