Finding the Fourth Proportional to 9,258.79, 13,891.42 and 2,685.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.79 : 13,891.42 = 2,685.37 : x
2. Step 2: Convert to fraction form
   9,258.79/13,891.42 = 2,685.37/x
3. Step 3: Cross multiply
   9,258.79x = 13,891.42 × 2,685.37
4. Step 4: Simplify right side
   9,258.79x = 37,303,602.53
5. Step 5: Solve for x
   x = 37,303,602.53/9,258.79
6. Step 6: Final answer
   x = 4,028.99