Finding the Fourth Proportional to 2,290.14, 3,434.93 and 974.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.14 : 3,434.93 = 974.42 : x
2. Step 2: Convert to fraction form
   2,290.14/3,434.93 = 974.42/x
3. Step 3: Cross multiply
   2,290.14x = 3,434.93 × 974.42
4. Step 4: Simplify right side
   2,290.14x = 3,347,068.78
5. Step 5: Solve for x
   x = 3,347,068.78/2,290.14
6. Step 6: Final answer
   x = 1,461.51