Finding the Fourth Proportional to 127,311.72, 175,693.16 and 69,950.48

Step by Step Solution

1. Step 1: Write the proportion equation
   127,311.72 : 175,693.16 = 69,950.48 : x
2. Step 2: Convert to fraction form
   127,311.72/175,693.16 = 69,950.48/x
3. Step 3: Cross multiply
   127,311.72x = 175,693.16 × 69,950.48
4. Step 4: Simplify right side
   127,311.72x = 12,289,820,874.72
5. Step 5: Solve for x
   x = 12,289,820,874.72/127,311.72
6. Step 6: Final answer
   x = 96,533.30