Finding the Fourth Proportional to 1,690.82, 2,333.36 and 944.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690.82 : 2,333.36 = 944.79 : x
2. Step 2: Convert to fraction form
   1,690.82/2,333.36 = 944.79/x
3. Step 3: Cross multiply
   1,690.82x = 2,333.36 × 944.79
4. Step 4: Simplify right side
   1,690.82x = 2,204,530.05
5. Step 5: Solve for x
   x = 2,204,530.05/1,690.82
6. Step 6: Final answer
   x = 1,303.82