Finding the Fourth Proportional to 2,611.42, 3,603.72 and 1,432.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.42 : 3,603.72 = 1,432.46 : x
2. Step 2: Convert to fraction form
   2,611.42/3,603.72 = 1,432.46/x
3. Step 3: Cross multiply
   2,611.42x = 3,603.72 × 1,432.46
4. Step 4: Simplify right side
   2,611.42x = 5,162,184.75
5. Step 5: Solve for x
   x = 5,162,184.75/2,611.42
6. Step 6: Final answer
   x = 1,976.77