Finding the Fourth Proportional to 2,814.17, 3,880.95 and 2,590.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.17 : 3,880.95 = 2,590.59 : x
2. Step 2: Convert to fraction form
   2,814.17/3,880.95 = 2,590.59/x
3. Step 3: Cross multiply
   2,814.17x = 3,880.95 × 2,590.59
4. Step 4: Simplify right side
   2,814.17x = 10,053,976.96
5. Step 5: Solve for x
   x = 10,053,976.96/2,814.17
6. Step 6: Final answer
   x = 3,572.63