Finding the Fourth Proportional to 3,385.50, 5,079.77 and 2,152.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,385.50 : 5,079.77 = 2,152.59 : x
2. Step 2: Convert to fraction form
   3,385.50/5,079.77 = 2,152.59/x
3. Step 3: Cross multiply
   3,385.50x = 5,079.77 × 2,152.59
4. Step 4: Simplify right side
   3,385.50x = 10,934,662.10
5. Step 5: Solve for x
   x = 10,934,662.10/3,385.50
6. Step 6: Final answer
   x = 3,229.85