Finding the Fourth Proportional to 2,611.33, 3,603.46 and 1,432.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.33 : 3,603.46 = 1,432.17 : x
2. Step 2: Convert to fraction form
   2,611.33/3,603.46 = 1,432.17/x
3. Step 3: Cross multiply
   2,611.33x = 3,603.46 × 1,432.17
4. Step 4: Simplify right side
   2,611.33x = 5,160,767.31
5. Step 5: Solve for x
   x = 5,160,767.31/2,611.33
6. Step 6: Final answer
   x = 1,976.30