Finding the Fourth Proportional to 2,611.89, 3,604.41 and 1,433.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.89 : 3,604.41 = 1,433.03 : x
2. Step 2: Convert to fraction form
   2,611.89/3,604.41 = 1,433.03/x
3. Step 3: Cross multiply
   2,611.89x = 3,604.41 × 1,433.03
4. Step 4: Simplify right side
   2,611.89x = 5,165,209.64
5. Step 5: Solve for x
   x = 5,165,209.64/2,611.89
6. Step 6: Final answer
   x = 1,977.58