Finding the Fourth Proportional to 1,333.80, 1,840.37 and 774.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.80 : 1,840.37 = 774.35 : x
2. Step 2: Convert to fraction form
   1,333.80/1,840.37 = 774.35/x
3. Step 3: Cross multiply
   1,333.80x = 1,840.37 × 774.35
4. Step 4: Simplify right side
   1,333.80x = 1,425,077.44
5. Step 5: Solve for x
   x = 1,425,077.44/1,333.80
6. Step 6: Final answer
   x = 1,068.43