Finding the Fourth Proportional to 79,574.28, 109,815 and 43,766.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,574.28 : 109,815 = 43,766.88 : x
2. Step 2: Convert to fraction form
   79,574.28/109,815 = 43,766.88/x
3. Step 3: Cross multiply
   79,574.28x = 109,815 × 43,766.88
4. Step 4: Simplify right side
   79,574.28x = 4,806,259,927.20
5. Step 5: Solve for x
   x = 4,806,259,927.20/79,574.28
6. Step 6: Final answer
   x = 60,399.67