Finding the Fourth Proportional to 127,745.32, 176,293.98 and 71,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   127,745.32 : 176,293.98 = 71,156.72 : x
2. Step 2: Convert to fraction form
   127,745.32/176,293.98 = 71,156.72/x
3. Step 3: Cross multiply
   127,745.32x = 176,293.98 × 71,156.72
4. Step 4: Simplify right side
   127,745.32x = 12,544,501,372.55
5. Step 5: Solve for x
   x = 12,544,501,372.55/127,745.32
6. Step 6: Final answer
   x = 98,199.30