Finding the Fourth Proportional to 9,862.94, 14,789.48 and 3,286.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,862.94 : 14,789.48 = 3,286.82 : x
2. Step 2: Convert to fraction form
   9,862.94/14,789.48 = 3,286.82/x
3. Step 3: Cross multiply
   9,862.94x = 14,789.48 × 3,286.82
4. Step 4: Simplify right side
   9,862.94x = 48,610,268.27
5. Step 5: Solve for x
   x = 48,610,268.27/9,862.94
6. Step 6: Final answer
   x = 4,928.58