Finding the Fourth Proportional to 2,543.16, 3,509.52 and 1,424.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.16 : 3,509.52 = 1,424.10 : x
2. Step 2: Convert to fraction form
   2,543.16/3,509.52 = 1,424.10/x
3. Step 3: Cross multiply
   2,543.16x = 3,509.52 × 1,424.10
4. Step 4: Simplify right side
   2,543.16x = 4,997,907.43
5. Step 5: Solve for x
   x = 4,997,907.43/2,543.16
6. Step 6: Final answer
   x = 1,965.24