Finding the Fourth Proportional to 79,578.20, 109,812.56 and 45,586.82

Step by Step Solution

1. Step 1: Write the proportion equation
   79,578.20 : 109,812.56 = 45,586.82 : x
2. Step 2: Convert to fraction form
   79,578.20/109,812.56 = 45,586.82/x
3. Step 3: Cross multiply
   79,578.20x = 109,812.56 × 45,586.82
4. Step 4: Simplify right side
   79,578.20x = 5,006,005,406.46
5. Step 5: Solve for x
   x = 5,006,005,406.46/79,578.20
6. Step 6: Final answer
   x = 62,906.74