Finding the Fourth Proportional to 79,262.76, 109,393.78 and 49,057.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,262.76 : 109,393.78 = 49,057.72 : x
2. Step 2: Convert to fraction form
   79,262.76/109,393.78 = 49,057.72/x
3. Step 3: Cross multiply
   79,262.76x = 109,393.78 × 49,057.72
4. Step 4: Simplify right side
   79,262.76x = 5,366,609,428.98
5. Step 5: Solve for x
   x = 5,366,609,428.98/79,262.76
6. Step 6: Final answer
   x = 67,706.57