Finding the Fourth Proportional to 2,590.60, 3,577.58 and 1,648.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.60 : 3,577.58 = 1,648.17 : x
2. Step 2: Convert to fraction form
   2,590.60/3,577.58 = 1,648.17/x
3. Step 3: Cross multiply
   2,590.60x = 3,577.58 × 1,648.17
4. Step 4: Simplify right side
   2,590.60x = 5,896,460.03
5. Step 5: Solve for x
   x = 5,896,460.03/2,590.60
6. Step 6: Final answer
   x = 2,276.10