Finding the Fourth Proportional to 2,611.24, 3,603.50 and 1,432.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.24 : 3,603.50 = 1,432.29 : x
2. Step 2: Convert to fraction form
   2,611.24/3,603.50 = 1,432.29/x
3. Step 3: Cross multiply
   2,611.24x = 3,603.50 × 1,432.29
4. Step 4: Simplify right side
   2,611.24x = 5,161,256.52
5. Step 5: Solve for x
   x = 5,161,256.52/2,611.24
6. Step 6: Final answer
   x = 1,976.55