Finding the Fourth Proportional to 2,093.27, 3,140.43 and 1,478.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.27 : 3,140.43 = 1,478.18 : x
2. Step 2: Convert to fraction form
   2,093.27/3,140.43 = 1,478.18/x
3. Step 3: Cross multiply
   2,093.27x = 3,140.43 × 1,478.18
4. Step 4: Simplify right side
   2,093.27x = 4,642,097.72
5. Step 5: Solve for x
   x = 4,642,097.72/2,093.27
6. Step 6: Final answer
   x = 2,217.63