Finding the Fourth Proportional to 1,404.94, 1,937.64 and 1,027.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.94 : 1,937.64 = 1,027.30 : x
2. Step 2: Convert to fraction form
   1,404.94/1,937.64 = 1,027.30/x
3. Step 3: Cross multiply
   1,404.94x = 1,937.64 × 1,027.30
4. Step 4: Simplify right side
   1,404.94x = 1,990,537.57
5. Step 5: Solve for x
   x = 1,990,537.57/1,404.94
6. Step 6: Final answer
   x = 1,416.81