Finding the Fourth Proportional to 2,286.18, 3,430.59 and 969.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.18 : 3,430.59 = 969.83 : x
2. Step 2: Convert to fraction form
   2,286.18/3,430.59 = 969.83/x
3. Step 3: Cross multiply
   2,286.18x = 3,430.59 × 969.83
4. Step 4: Simplify right side
   2,286.18x = 3,327,081.17
5. Step 5: Solve for x
   x = 3,327,081.17/2,286.18
6. Step 6: Final answer
   x = 1,455.30