Finding the Fourth Proportional to 126,915.34, 175,143.17 and 70,326.72

Step by Step Solution

1. Step 1: Write the proportion equation
   126,915.34 : 175,143.17 = 70,326.72 : x
2. Step 2: Convert to fraction form
   126,915.34/175,143.17 = 70,326.72/x
3. Step 3: Cross multiply
   126,915.34x = 175,143.17 × 70,326.72
4. Step 4: Simplify right side
   126,915.34x = 12,317,244,676.50
5. Step 5: Solve for x
   x = 12,317,244,676.50/126,915.34
6. Step 6: Final answer
   x = 97,050.87