Finding the Fourth Proportional to 2,093.43, 3,140.67 and 1,478.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.43 : 3,140.67 = 1,478.34 : x
2. Step 2: Convert to fraction form
   2,093.43/3,140.67 = 1,478.34/x
3. Step 3: Cross multiply
   2,093.43x = 3,140.67 × 1,478.34
4. Step 4: Simplify right side
   2,093.43x = 4,642,978.09
5. Step 5: Solve for x
   x = 4,642,978.09/2,093.43
6. Step 6: Final answer
   x = 2,217.88