Finding the Fourth Proportional to 2,552.12, 3,521.64 and 1,432.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.12 : 3,521.64 = 1,432.83 : x
2. Step 2: Convert to fraction form
   2,552.12/3,521.64 = 1,432.83/x
3. Step 3: Cross multiply
   2,552.12x = 3,521.64 × 1,432.83
4. Step 4: Simplify right side
   2,552.12x = 5,045,911.44
5. Step 5: Solve for x
   x = 5,045,911.44/2,552.12
6. Step 6: Final answer
   x = 1,977.15