Finding the Fourth Proportional to 2,143.68, 3,214.56 and 1,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143.68 : 3,214.56 = 1,494.72 : x
2. Step 2: Convert to fraction form
   2,143.68/3,214.56 = 1,494.72/x
3. Step 3: Cross multiply
   2,143.68x = 3,214.56 × 1,494.72
4. Step 4: Simplify right side
   2,143.68x = 4,804,867.12
5. Step 5: Solve for x
   x = 4,804,867.12/2,143.68
6. Step 6: Final answer
   x = 2,241.41