Finding the Fourth Proportional to 2,286.82, 3,430.15 and 969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.82 : 3,430.15 = 969.72 : x
2. Step 2: Convert to fraction form
   2,286.82/3,430.15 = 969.72/x
3. Step 3: Cross multiply
   2,286.82x = 3,430.15 × 969.72
4. Step 4: Simplify right side
   2,286.82x = 3,326,288.78
5. Step 5: Solve for x
   x = 3,326,288.78/2,286.82
6. Step 6: Final answer
   x = 1,454.55