Finding the Fourth Proportional to 126,462.16, 174,516.04 and 69,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,462.16 : 174,516.04 = 69,872.72 : x
2. Step 2: Convert to fraction form
   126,462.16/174,516.04 = 69,872.72/x
3. Step 3: Cross multiply
   126,462.16x = 174,516.04 × 69,872.72
4. Step 4: Simplify right side
   126,462.16x = 12,193,910,398.43
5. Step 5: Solve for x
   x = 12,193,910,398.43/126,462.16
6. Step 6: Final answer
   x = 96,423.39