Finding the Fourth Proportional to 2,814.55, 3,862.64 and 2,590.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.55 : 3,862.64 = 2,590.99 : x
2. Step 2: Convert to fraction form
   2,814.55/3,862.64 = 2,590.99/x
3. Step 3: Cross multiply
   2,814.55x = 3,862.64 × 2,590.99
4. Step 4: Simplify right side
   2,814.55x = 10,008,043.86
5. Step 5: Solve for x
   x = 10,008,043.86/2,814.55
6. Step 6: Final answer
   x = 3,555.83