Finding the Fourth Proportional to 1,333.54, 1,840.30 and 774.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.54 : 1,840.30 = 774.12 : x
2. Step 2: Convert to fraction form
   1,333.54/1,840.30 = 774.12/x
3. Step 3: Cross multiply
   1,333.54x = 1,840.30 × 774.12
4. Step 4: Simplify right side
   1,333.54x = 1,424,613.04
5. Step 5: Solve for x
   x = 1,424,613.04/1,333.54
6. Step 6: Final answer
   x = 1,068.29