Finding the Fourth Proportional to 79,561.43, 109,791.72 and 43,749.30

Step by Step Solution

1. Step 1: Write the proportion equation
   79,561.43 : 109,791.72 = 43,749.30 : x
2. Step 2: Convert to fraction form
   79,561.43/109,791.72 = 43,749.30/x
3. Step 3: Cross multiply
   79,561.43x = 109,791.72 × 43,749.30
4. Step 4: Simplify right side
   79,561.43x = 4,803,310,895.80
5. Step 5: Solve for x
   x = 4,803,310,895.80/79,561.43
6. Step 6: Final answer
   x = 60,372.35