Finding the Fourth Proportional to 2,543.33, 3,509.69 and 1,424.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,543.33 : 3,509.69 = 1,424.32 : x
2. Step 2: Convert to fraction form
   2,543.33/3,509.69 = 1,424.32/x
3. Step 3: Cross multiply
   2,543.33x = 3,509.69 × 1,424.32
4. Step 4: Simplify right side
   2,543.33x = 4,998,905.76
5. Step 5: Solve for x
   x = 4,998,905.76/2,543.33
6. Step 6: Final answer
   x = 1,965.49