Finding the Fourth Proportional to 1,593.91, 2,392.18 and 814.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593.91 : 2,392.18 = 814.49 : x
2. Step 2: Convert to fraction form
   1,593.91/2,392.18 = 814.49/x
3. Step 3: Cross multiply
   1,593.91x = 2,392.18 × 814.49
4. Step 4: Simplify right side
   1,593.91x = 1,948,406.69
5. Step 5: Solve for x
   x = 1,948,406.69/1,593.91
6. Step 6: Final answer
   x = 1,222.41