Finding the Fourth Proportional to 1,404.33, 1,937.94 and 814.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.33 : 1,937.94 = 814.86 : x
2. Step 2: Convert to fraction form
   1,404.33/1,937.94 = 814.86/x
3. Step 3: Cross multiply
   1,404.33x = 1,937.94 × 814.86
4. Step 4: Simplify right side
   1,404.33x = 1,579,149.79
5. Step 5: Solve for x
   x = 1,579,149.79/1,404.33
6. Step 6: Final answer
   x = 1,124.49