Finding the Fourth Proportional to 1,404.02, 1,937.66 and 774.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.02 : 1,937.66 = 774.60 : x
2. Step 2: Convert to fraction form
   1,404.02/1,937.66 = 774.60/x
3. Step 3: Cross multiply
   1,404.02x = 1,937.66 × 774.60
4. Step 4: Simplify right side
   1,404.02x = 1,500,923.18
5. Step 5: Solve for x
   x = 1,500,923.18/1,404.02
6. Step 6: Final answer
   x = 1,069.02