Finding the Fourth Proportional to 79,555.20, 109,791.84 and 52,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,555.20 : 109,791.84 = 52,650.72 : x
2. Step 2: Convert to fraction form
   79,555.20/109,791.84 = 52,650.72/x
3. Step 3: Cross multiply
   79,555.20x = 109,791.84 × 52,650.72
4. Step 4: Simplify right side
   79,555.20x = 5,780,619,426.12
5. Step 5: Solve for x
   x = 5,780,619,426.12/79,555.20
6. Step 6: Final answer
   x = 72,661.74