Finding the Fourth Proportional to 79,121.50, 109,187.82 and 43,313.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,121.50 : 109,187.82 = 43,313.72 : x
2. Step 2: Convert to fraction form
   79,121.50/109,187.82 = 43,313.72/x
3. Step 3: Cross multiply
   79,121.50x = 109,187.82 × 43,313.72
4. Step 4: Simplify right side
   79,121.50x = 4,729,330,662.89
5. Step 5: Solve for x
   x = 4,729,330,662.89/79,121.50
6. Step 6: Final answer
   x = 59,773.02