Finding the Fourth Proportional to 2,611.82, 3,604.36 and 1,432.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.82 : 3,604.36 = 1,432.86 : x
2. Step 2: Convert to fraction form
   2,611.82/3,604.36 = 1,432.86/x
3. Step 3: Cross multiply
   2,611.82x = 3,604.36 × 1,432.86
4. Step 4: Simplify right side
   2,611.82x = 5,164,543.27
5. Step 5: Solve for x
   x = 5,164,543.27/2,611.82
6. Step 6: Final answer
   x = 1,977.37