Finding the Fourth Proportional to 2,551.56, 3,520.38 and 1,432.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.56 : 3,520.38 = 1,432.38 : x
2. Step 2: Convert to fraction form
   2,551.56/3,520.38 = 1,432.38/x
3. Step 3: Cross multiply
   2,551.56x = 3,520.38 × 1,432.38
4. Step 4: Simplify right side
   2,551.56x = 5,042,521.90
5. Step 5: Solve for x
   x = 5,042,521.90/2,551.56
6. Step 6: Final answer
   x = 1,976.25