Finding the Fourth Proportional to 2,500.88, 3,450.33 and 1,661.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.88 : 3,450.33 = 1,661.99 : x
2. Step 2: Convert to fraction form
   2,500.88/3,450.33 = 1,661.99/x
3. Step 3: Cross multiply
   2,500.88x = 3,450.33 × 1,661.99
4. Step 4: Simplify right side
   2,500.88x = 5,734,396.71
5. Step 5: Solve for x
   x = 5,734,396.71/2,500.88
6. Step 6: Final answer
   x = 2,292.96