Finding the Fourth Proportional to 2,611.03, 3,603.28 and 1,432.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.03 : 3,603.28 = 1,432.10 : x
2. Step 2: Convert to fraction form
   2,611.03/3,603.28 = 1,432.10/x
3. Step 3: Cross multiply
   2,611.03x = 3,603.28 × 1,432.10
4. Step 4: Simplify right side
   2,611.03x = 5,160,239.27
5. Step 5: Solve for x
   x = 5,160,239.27/2,611.03
6. Step 6: Final answer
   x = 1,976.32