Finding the Fourth Proportional to 2,434.32, 3,654.72 and 1,280.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.32 : 3,654.72 = 1,280.88 : x
2. Step 2: Convert to fraction form
   2,434.32/3,654.72 = 1,280.88/x
3. Step 3: Cross multiply
   2,434.32x = 3,654.72 × 1,280.88
4. Step 4: Simplify right side
   2,434.32x = 4,681,257.75
5. Step 5: Solve for x
   x = 4,681,257.75/2,434.32
6. Step 6: Final answer
   x = 1,923.02