Finding the Fourth Proportional to 2,582.50, 3,560.52 and 2,109.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582.50 : 3,560.52 = 2,109.90 : x
2. Step 2: Convert to fraction form
   2,582.50/3,560.52 = 2,109.90/x
3. Step 3: Cross multiply
   2,582.50x = 3,560.52 × 2,109.90
4. Step 4: Simplify right side
   2,582.50x = 7,512,341.15
5. Step 5: Solve for x
   x = 7,512,341.15/2,582.50
6. Step 6: Final answer
   x = 2,908.94