Finding the Fourth Proportional to 79,262.72, 109,393.74 and 49,057.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,262.72 : 109,393.74 = 49,057.76 : x
2. Step 2: Convert to fraction form
   79,262.72/109,393.74 = 49,057.76/x
3. Step 3: Cross multiply
   79,262.72x = 109,393.74 × 49,057.76
4. Step 4: Simplify right side
   79,262.72x = 5,366,611,842.42
5. Step 5: Solve for x
   x = 5,366,611,842.42/79,262.72
6. Step 6: Final answer
   x = 67,706.63