Finding the Fourth Proportional to 2,490.87, 3,434.73 and 1,651.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.87 : 3,434.73 = 1,651.31 : x
2. Step 2: Convert to fraction form
   2,490.87/3,434.73 = 1,651.31/x
3. Step 3: Cross multiply
   2,490.87x = 3,434.73 × 1,651.31
4. Step 4: Simplify right side
   2,490.87x = 5,671,786.82
5. Step 5: Solve for x
   x = 5,671,786.82/2,490.87
6. Step 6: Final answer
   x = 2,277.03