Finding the Fourth Proportional to 126,031.31, 173,922.88 and 69,442.68

Step by Step Solution

1. Step 1: Write the proportion equation
   126,031.31 : 173,922.88 = 69,442.68 : x
2. Step 2: Convert to fraction form
   126,031.31/173,922.88 = 69,442.68/x
3. Step 3: Cross multiply
   126,031.31x = 173,922.88 × 69,442.68
4. Step 4: Simplify right side
   126,031.31x = 12,077,670,900.52
5. Step 5: Solve for x
   x = 12,077,670,900.52/126,031.31
6. Step 6: Final answer
   x = 95,830.72