Finding the Fourth Proportional to 2,551.42, 3,520.92 and 1,432.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.42 : 3,520.92 = 1,432.42 : x
2. Step 2: Convert to fraction form
   2,551.42/3,520.92 = 1,432.42/x
3. Step 3: Cross multiply
   2,551.42x = 3,520.92 × 1,432.42
4. Step 4: Simplify right side
   2,551.42x = 5,043,436.23
5. Step 5: Solve for x
   x = 5,043,436.23/2,551.42
6. Step 6: Final answer
   x = 1,976.72