Finding the Fourth Proportional to 2,589.99, 3,886.38 and 2,404.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589.99 : 3,886.38 = 2,404.05 : x
2. Step 2: Convert to fraction form
   2,589.99/3,886.38 = 2,404.05/x
3. Step 3: Cross multiply
   2,589.99x = 3,886.38 × 2,404.05
4. Step 4: Simplify right side
   2,589.99x = 9,343,051.84
5. Step 5: Solve for x
   x = 9,343,051.84/2,589.99
6. Step 6: Final answer
   x = 3,607.37