Finding the Fourth Proportional to 79,456.52, 109,655.88 and 49,247.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,456.52 : 109,655.88 = 49,247.78 : x
2. Step 2: Convert to fraction form
   79,456.52/109,655.88 = 49,247.78/x
3. Step 3: Cross multiply
   79,456.52x = 109,655.88 × 49,247.78
4. Step 4: Simplify right side
   79,456.52x = 5,400,308,653.95
5. Step 5: Solve for x
   x = 5,400,308,653.95/79,456.52
6. Step 6: Final answer
   x = 67,965.58