Finding the Fourth Proportional to 2,490.69, 3,439.02 and 2,041.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.69 : 3,439.02 = 2,041.89 : x
2. Step 2: Convert to fraction form
   2,490.69/3,439.02 = 2,041.89/x
3. Step 3: Cross multiply
   2,490.69x = 3,439.02 × 2,041.89
4. Step 4: Simplify right side
   2,490.69x = 7,022,100.55
5. Step 5: Solve for x
   x = 7,022,100.55/2,490.69
6. Step 6: Final answer
   x = 2,819.34