Finding the Fourth Proportional to 1,370.83, 1,891.67 and 773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370.83 : 1,891.67 = 773.34 : x
2. Step 2: Convert to fraction form
   1,370.83/1,891.67 = 773.34/x
3. Step 3: Cross multiply
   1,370.83x = 1,891.67 × 773.34
4. Step 4: Simplify right side
   1,370.83x = 1,462,904.08
5. Step 5: Solve for x
   x = 1,462,904.08/1,370.83
6. Step 6: Final answer
   x = 1,067.17