Finding the Fourth Proportional to 2,611.44, 3,603.83 and 1,432.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.44 : 3,603.83 = 1,432.51 : x
2. Step 2: Convert to fraction form
   2,611.44/3,603.83 = 1,432.51/x
3. Step 3: Cross multiply
   2,611.44x = 3,603.83 × 1,432.51
4. Step 4: Simplify right side
   2,611.44x = 5,162,506.34
5. Step 5: Solve for x
   x = 5,162,506.34/2,611.44
6. Step 6: Final answer
   x = 1,976.88