Finding the Fourth Proportional to 1,333.39, 1,840.36 and 773.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.39 : 1,840.36 = 773.88 : x
2. Step 2: Convert to fraction form
   1,333.39/1,840.36 = 773.88/x
3. Step 3: Cross multiply
   1,333.39x = 1,840.36 × 773.88
4. Step 4: Simplify right side
   1,333.39x = 1,424,217.80
5. Step 5: Solve for x
   x = 1,424,217.80/1,333.39
6. Step 6: Final answer
   x = 1,068.12