Finding the Fourth Proportional to 1,333.34, 1,839.92 and 773.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.34 : 1,839.92 = 773.76 : x
2. Step 2: Convert to fraction form
   1,333.34/1,839.92 = 773.76/x
3. Step 3: Cross multiply
   1,333.34x = 1,839.92 × 773.76
4. Step 4: Simplify right side
   1,333.34x = 1,423,656.50
5. Step 5: Solve for x
   x = 1,423,656.50/1,333.34
6. Step 6: Final answer
   x = 1,067.74