Finding the Fourth Proportional to 79,570.96, 109,821.96 and 45,581.20

Step by Step Solution

1. Step 1: Write the proportion equation
   79,570.96 : 109,821.96 = 45,581.20 : x
2. Step 2: Convert to fraction form
   79,570.96/109,821.96 = 45,581.20/x
3. Step 3: Cross multiply
   79,570.96x = 109,821.96 × 45,581.20
4. Step 4: Simplify right side
   79,570.96x = 5,005,816,723.15
5. Step 5: Solve for x
   x = 5,005,816,723.15/79,570.96
6. Step 6: Final answer
   x = 62,910.10