Finding the Fourth Proportional to 2,611.02, 3,603.25 and 1,432.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.02 : 3,603.25 = 1,432.07 : x
2. Step 2: Convert to fraction form
   2,611.02/3,603.25 = 1,432.07/x
3. Step 3: Cross multiply
   2,611.02x = 3,603.25 × 1,432.07
4. Step 4: Simplify right side
   2,611.02x = 5,160,106.23
5. Step 5: Solve for x
   x = 5,160,106.23/2,611.02
6. Step 6: Final answer
   x = 1,976.28