Finding the Fourth Proportional to 9,026.82, 13,540.59 and 2,786.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,026.82 : 13,540.59 = 2,786.28 : x
2. Step 2: Convert to fraction form
   9,026.82/13,540.59 = 2,786.28/x
3. Step 3: Cross multiply
   9,026.82x = 13,540.59 × 2,786.28
4. Step 4: Simplify right side
   9,026.82x = 37,727,875.11
5. Step 5: Solve for x
   x = 37,727,875.11/9,026.82
6. Step 6: Final answer
   x = 4,179.53