Finding the Fourth Proportional to 1,333.61, 1,840.32 and 774.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.61 : 1,840.32 = 774.03 : x
2. Step 2: Convert to fraction form
   1,333.61/1,840.32 = 774.03/x
3. Step 3: Cross multiply
   1,333.61x = 1,840.32 × 774.03
4. Step 4: Simplify right side
   1,333.61x = 1,424,462.89
5. Step 5: Solve for x
   x = 1,424,462.89/1,333.61
6. Step 6: Final answer
   x = 1,068.13