Finding the Fourth Proportional to 1,404.08, 1,937.63 and 774.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.08 : 1,937.63 = 774.65 : x
2. Step 2: Convert to fraction form
   1,404.08/1,937.63 = 774.65/x
3. Step 3: Cross multiply
   1,404.08x = 1,937.63 × 774.65
4. Step 4: Simplify right side
   1,404.08x = 1,500,991.86
5. Step 5: Solve for x
   x = 1,500,991.86/1,404.08
6. Step 6: Final answer
   x = 1,069.02