Finding the Fourth Proportional to 2,603.30, 3,591.41 and 1,554.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603.30 : 3,591.41 = 1,554.75 : x
2. Step 2: Convert to fraction form
   2,603.30/3,591.41 = 1,554.75/x
3. Step 3: Cross multiply
   2,603.30x = 3,591.41 × 1,554.75
4. Step 4: Simplify right side
   2,603.30x = 5,583,736.92
5. Step 5: Solve for x
   x = 5,583,736.92/2,603.30
6. Step 6: Final answer
   x = 2,144.87