Finding the Fourth Proportional to 127,196.64, 175,540.50 and 70,607.61

Step by Step Solution

1. Step 1: Write the proportion equation
   127,196.64 : 175,540.50 = 70,607.61 : x
2. Step 2: Convert to fraction form
   127,196.64/175,540.50 = 70,607.61/x
3. Step 3: Cross multiply
   127,196.64x = 175,540.50 × 70,607.61
4. Step 4: Simplify right side
   127,196.64x = 12,394,495,163.21
5. Step 5: Solve for x
   x = 12,394,495,163.21/127,196.64
6. Step 6: Final answer
   x = 97,443.57