Finding the Fourth Proportional to 2,598.10, 3,585.18 and 1,603

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.10 : 3,585.18 = 1,603 : x
2. Step 2: Convert to fraction form
   2,598.10/3,585.18 = 1,603/x
3. Step 3: Cross multiply
   2,598.10x = 3,585.18 × 1,603
4. Step 4: Simplify right side
   2,598.10x = 5,747,043.54
5. Step 5: Solve for x
   x = 5,747,043.54/2,598.10
6. Step 6: Final answer
   x = 2,212.02