Finding the Fourth Proportional to 2,725.17, 4,086.94 and 969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.17 : 4,086.94 = 969.86 : x
2. Step 2: Convert to fraction form
   2,725.17/4,086.94 = 969.86/x
3. Step 3: Cross multiply
   2,725.17x = 4,086.94 × 969.86
4. Step 4: Simplify right side
   2,725.17x = 3,963,759.63
5. Step 5: Solve for x
   x = 3,963,759.63/2,725.17
6. Step 6: Final answer
   x = 1,454.50