Finding the Fourth Proportional to 2,585.30, 3,570.25 and 2,210.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,585.30 : 3,570.25 = 2,210.11 : x
2. Step 2: Convert to fraction form
   2,585.30/3,570.25 = 2,210.11/x
3. Step 3: Cross multiply
   2,585.30x = 3,570.25 × 2,210.11
4. Step 4: Simplify right side
   2,585.30x = 7,890,630.78
5. Step 5: Solve for x
   x = 7,890,630.78/2,585.30
6. Step 6: Final answer
   x = 3,052.11