Finding the Fourth Proportional to 2,590.08, 3,877.56 and 1,354.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.08 : 3,877.56 = 1,354.56 : x
2. Step 2: Convert to fraction form
   2,590.08/3,877.56 = 1,354.56/x
3. Step 3: Cross multiply
   2,590.08x = 3,877.56 × 1,354.56
4. Step 4: Simplify right side
   2,590.08x = 5,252,387.67
5. Step 5: Solve for x
   x = 5,252,387.67/2,590.08
6. Step 6: Final answer
   x = 2,027.89