Finding the Fourth Proportional to 2,290.33, 3,434.82 and 974.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.33 : 3,434.82 = 974.08 : x
2. Step 2: Convert to fraction form
   2,290.33/3,434.82 = 974.08/x
3. Step 3: Cross multiply
   2,290.33x = 3,434.82 × 974.08
4. Step 4: Simplify right side
   2,290.33x = 3,345,789.47
5. Step 5: Solve for x
   x = 3,345,789.47/2,290.33
6. Step 6: Final answer
   x = 1,460.83