Finding the Fourth Proportional to 2,591.30, 3,577.30 and 1,648.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.30 : 3,577.30 = 1,648.04 : x
2. Step 2: Convert to fraction form
   2,591.30/3,577.30 = 1,648.04/x
3. Step 3: Cross multiply
   2,591.30x = 3,577.30 × 1,648.04
4. Step 4: Simplify right side
   2,591.30x = 5,895,533.49
5. Step 5: Solve for x
   x = 5,895,533.49/2,591.30
6. Step 6: Final answer
   x = 2,275.13