Finding the Fourth Proportional to 80,134.72, 110,619.95 and 49,934.95

Step by Step Solution

1. Step 1: Write the proportion equation
   80,134.72 : 110,619.95 = 49,934.95 : x
2. Step 2: Convert to fraction form
   80,134.72/110,619.95 = 49,934.95/x
3. Step 3: Cross multiply
   80,134.72x = 110,619.95 × 49,934.95
4. Step 4: Simplify right side
   80,134.72x = 5,523,801,146.03
5. Step 5: Solve for x
   x = 5,523,801,146.03/80,134.72
6. Step 6: Final answer
   x = 68,931.44