Finding the Fourth Proportional to 1,333.82, 1,840.68 and 774.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.82 : 1,840.68 = 774.63 : x
2. Step 2: Convert to fraction form
   1,333.82/1,840.68 = 774.63/x
3. Step 3: Cross multiply
   1,333.82x = 1,840.68 × 774.63
4. Step 4: Simplify right side
   1,333.82x = 1,425,845.95
5. Step 5: Solve for x
   x = 1,425,845.95/1,333.82
6. Step 6: Final answer
   x = 1,068.99