Finding the Fourth Proportional to 126,274.34, 174,258.24 and 69,685.31

Step by Step Solution

1. Step 1: Write the proportion equation
   126,274.34 : 174,258.24 = 69,685.31 : x
2. Step 2: Convert to fraction form
   126,274.34/174,258.24 = 69,685.31/x
3. Step 3: Cross multiply
   126,274.34x = 174,258.24 × 69,685.31
4. Step 4: Simplify right side
   126,274.34x = 12,143,239,648.78
5. Step 5: Solve for x
   x = 12,143,239,648.78/126,274.34
6. Step 6: Final answer
   x = 96,165.53