Finding the Fourth Proportional to 2,529.27, 3,490.98 and 1,643.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.27 : 3,490.98 = 1,643.54 : x
2. Step 2: Convert to fraction form
   2,529.27/3,490.98 = 1,643.54/x
3. Step 3: Cross multiply
   2,529.27x = 3,490.98 × 1,643.54
4. Step 4: Simplify right side
   2,529.27x = 5,737,547.81
5. Step 5: Solve for x
   x = 5,737,547.81/2,529.27
6. Step 6: Final answer
   x = 2,268.46