Finding the Fourth Proportional to 8,778.29, 13,162.18 and 4,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,778.29 : 13,162.18 = 4,028.50 : x
2. Step 2: Convert to fraction form
   8,778.29/13,162.18 = 4,028.50/x
3. Step 3: Cross multiply
   8,778.29x = 13,162.18 × 4,028.50
4. Step 4: Simplify right side
   8,778.29x = 53,023,799.15
5. Step 5: Solve for x
   x = 53,023,799.15/8,778.29
6. Step 6: Final answer
   x = 6,040.33