Finding the Fourth Proportional to 1,333.82, 1,840.77 and 774.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.82 : 1,840.77 = 774.45 : x
2. Step 2: Convert to fraction form
   1,333.82/1,840.77 = 774.45/x
3. Step 3: Cross multiply
   1,333.82x = 1,840.77 × 774.45
4. Step 4: Simplify right side
   1,333.82x = 1,425,584.33
5. Step 5: Solve for x
   x = 1,425,584.33/1,333.82
6. Step 6: Final answer
   x = 1,068.80