Finding the Fourth Proportional to 2,228.72, 3,077.04 and 1,432.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.72 : 3,077.04 = 1,432.41 : x
2. Step 2: Convert to fraction form
   2,228.72/3,077.04 = 1,432.41/x
3. Step 3: Cross multiply
   2,228.72x = 3,077.04 × 1,432.41
4. Step 4: Simplify right side
   2,228.72x = 4,407,577.30
5. Step 5: Solve for x
   x = 4,407,577.30/2,228.72
6. Step 6: Final answer
   x = 1,977.63