Finding the Fourth Proportional to 2,611.96, 3,604.56 and 1,433.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.96 : 3,604.56 = 1,433.03 : x
2. Step 2: Convert to fraction form
   2,611.96/3,604.56 = 1,433.03/x
3. Step 3: Cross multiply
   2,611.96x = 3,604.56 × 1,433.03
4. Step 4: Simplify right side
   2,611.96x = 5,165,438.11
5. Step 5: Solve for x
   x = 5,165,438.11/2,611.96
6. Step 6: Final answer
   x = 1,977.61