Finding the Fourth Proportional to 2,598.90, 3,582.78 and 1,603.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.90 : 3,582.78 = 1,603.52 : x
2. Step 2: Convert to fraction form
   2,598.90/3,582.78 = 1,603.52/x
3. Step 3: Cross multiply
   2,598.90x = 3,582.78 × 1,603.52
4. Step 4: Simplify right side
   2,598.90x = 5,745,041.47
5. Step 5: Solve for x
   x = 5,745,041.47/2,598.90
6. Step 6: Final answer
   x = 2,210.57