Finding the Fourth Proportional to 1,333.37, 1,839.28 and 773.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.37 : 1,839.28 = 773.77 : x
2. Step 2: Convert to fraction form
   1,333.37/1,839.28 = 773.77/x
3. Step 3: Cross multiply
   1,333.37x = 1,839.28 × 773.77
4. Step 4: Simplify right side
   1,333.37x = 1,423,172.47
5. Step 5: Solve for x
   x = 1,423,172.47/1,333.37
6. Step 6: Final answer
   x = 1,067.35