Finding the Fourth Proportional to 2,229.32, 3,074.58 and 1,432.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.32 : 3,074.58 = 1,432.76 : x
2. Step 2: Convert to fraction form
   2,229.32/3,074.58 = 1,432.76/x
3. Step 3: Cross multiply
   2,229.32x = 3,074.58 × 1,432.76
4. Step 4: Simplify right side
   2,229.32x = 4,405,142.93
5. Step 5: Solve for x
   x = 4,405,142.93/2,229.32
6. Step 6: Final answer
   x = 1,976.01