Finding the Fourth Proportional to 2,551.30, 3,520.80 and 1,432.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.30 : 3,520.80 = 1,432.24 : x
2. Step 2: Convert to fraction form
   2,551.30/3,520.80 = 1,432.24/x
3. Step 3: Cross multiply
   2,551.30x = 3,520.80 × 1,432.24
4. Step 4: Simplify right side
   2,551.30x = 5,042,630.59
5. Step 5: Solve for x
   x = 5,042,630.59/2,551.30
6. Step 6: Final answer
   x = 1,976.49