Finding the Fourth Proportional to 2,551.83, 3,521.52 and 1,432.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.83 : 3,521.52 = 1,432.87 : x
2. Step 2: Convert to fraction form
   2,551.83/3,521.52 = 1,432.87/x
3. Step 3: Cross multiply
   2,551.83x = 3,521.52 × 1,432.87
4. Step 4: Simplify right side
   2,551.83x = 5,045,880.36
5. Step 5: Solve for x
   x = 5,045,880.36/2,551.83
6. Step 6: Final answer
   x = 1,977.36