Finding the Fourth Proportional to 79,443.52, 109,637.94 and 49,234.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,443.52 : 109,637.94 = 49,234.78 : x
2. Step 2: Convert to fraction form
   79,443.52/109,637.94 = 49,234.78/x
3. Step 3: Cross multiply
   79,443.52x = 109,637.94 × 49,234.78
4. Step 4: Simplify right side
   79,443.52x = 5,397,999,855.55
5. Step 5: Solve for x
   x = 5,397,999,855.55/79,443.52
6. Step 6: Final answer
   x = 67,947.64