Finding the Fourth Proportional to 1,334.75, 1,841.36 and 774.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.75 : 1,841.36 = 774.89 : x
2. Step 2: Convert to fraction form
   1,334.75/1,841.36 = 774.89/x
3. Step 3: Cross multiply
   1,334.75x = 1,841.36 × 774.89
4. Step 4: Simplify right side
   1,334.75x = 1,426,851.45
5. Step 5: Solve for x
   x = 1,426,851.45/1,334.75
6. Step 6: Final answer
   x = 1,069.00