Finding the Fourth Proportional to 1,404.02, 1,937.48 and 814.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.02 : 1,937.48 = 814.75 : x
2. Step 2: Convert to fraction form
   1,404.02/1,937.48 = 814.75/x
3. Step 3: Cross multiply
   1,404.02x = 1,937.48 × 814.75
4. Step 4: Simplify right side
   1,404.02x = 1,578,561.83
5. Step 5: Solve for x
   x = 1,578,561.83/1,404.02
6. Step 6: Final answer
   x = 1,124.32