Finding the Fourth Proportional to 79,251.57, 109,378.38 and 49,046.63

Step by Step Solution

1. Step 1: Write the proportion equation
   79,251.57 : 109,378.38 = 49,046.63 : x
2. Step 2: Convert to fraction form
   79,251.57/109,378.38 = 49,046.63/x
3. Step 3: Cross multiply
   79,251.57x = 109,378.38 × 49,046.63
4. Step 4: Simplify right side
   79,251.57x = 5,364,640,933.86
5. Step 5: Solve for x
   x = 5,364,640,933.86/79,251.57
6. Step 6: Final answer
   x = 67,691.29