Finding the Fourth Proportional to 1,404.03, 1,938.23 and 814.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.03 : 1,938.23 = 814.46 : x
2. Step 2: Convert to fraction form
   1,404.03/1,938.23 = 814.46/x
3. Step 3: Cross multiply
   1,404.03x = 1,938.23 × 814.46
4. Step 4: Simplify right side
   1,404.03x = 1,578,597.04
5. Step 5: Solve for x
   x = 1,578,597.04/1,404.03
6. Step 6: Final answer
   x = 1,124.33