Finding the Fourth Proportional to 2,590.74, 3,887.51 and 2,404.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.74 : 3,887.51 = 2,404.80 : x
2. Step 2: Convert to fraction form
   2,590.74/3,887.51 = 2,404.80/x
3. Step 3: Cross multiply
   2,590.74x = 3,887.51 × 2,404.80
4. Step 4: Simplify right side
   2,590.74x = 9,348,672.02
5. Step 5: Solve for x
   x = 9,348,672.02/2,590.74
6. Step 6: Final answer
   x = 3,608.49