Finding the Fourth Proportional to 1,333.74, 1,840.57 and 774.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.74 : 1,840.57 = 774.53 : x
2. Step 2: Convert to fraction form
   1,333.74/1,840.57 = 774.53/x
3. Step 3: Cross multiply
   1,333.74x = 1,840.57 × 774.53
4. Step 4: Simplify right side
   1,333.74x = 1,425,579.35
5. Step 5: Solve for x
   x = 1,425,579.35/1,333.74
6. Step 6: Final answer
   x = 1,068.86