Finding the Fourth Proportional to 1,404.06, 1,937.44 and 814.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.06 : 1,937.44 = 814.51 : x
2. Step 2: Convert to fraction form
   1,404.06/1,937.44 = 814.51/x
3. Step 3: Cross multiply
   1,404.06x = 1,937.44 × 814.51
4. Step 4: Simplify right side
   1,404.06x = 1,578,064.25
5. Step 5: Solve for x
   x = 1,578,064.25/1,404.06
6. Step 6: Final answer
   x = 1,123.93