Finding the Fourth Proportional to 79,520.72, 109,739.46 and 43,222.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,520.72 : 109,739.46 = 43,222.16 : x
2. Step 2: Convert to fraction form
   79,520.72/109,739.46 = 43,222.16/x
3. Step 3: Cross multiply
   79,520.72x = 109,739.46 × 43,222.16
4. Step 4: Simplify right side
   79,520.72x = 4,743,176,498.43
5. Step 5: Solve for x
   x = 4,743,176,498.43/79,520.72
6. Step 6: Final answer
   x = 59,647.05