Finding the Fourth Proportional to 2,551.42, 3,520.72 and 1,432.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.42 : 3,520.72 = 1,432.14 : x
2. Step 2: Convert to fraction form
   2,551.42/3,520.72 = 1,432.14/x
3. Step 3: Cross multiply
   2,551.42x = 3,520.72 × 1,432.14
4. Step 4: Simplify right side
   2,551.42x = 5,042,139.18
5. Step 5: Solve for x
   x = 5,042,139.18/2,551.42
6. Step 6: Final answer
   x = 1,976.21