Finding the Fourth Proportional to 2,229.01, 3,076.17 and 1,432.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.01 : 3,076.17 = 1,432.80 : x
2. Step 2: Convert to fraction form
   2,229.01/3,076.17 = 1,432.80/x
3. Step 3: Cross multiply
   2,229.01x = 3,076.17 × 1,432.80
4. Step 4: Simplify right side
   2,229.01x = 4,407,536.38
5. Step 5: Solve for x
   x = 4,407,536.38/2,229.01
6. Step 6: Final answer
   x = 1,977.35