Finding the Fourth Proportional to 8,015.82, 12,023.39 and 7,828.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,015.82 : 12,023.39 = 7,828.10 : x
2. Step 2: Convert to fraction form
   8,015.82/12,023.39 = 7,828.10/x
3. Step 3: Cross multiply
   8,015.82x = 12,023.39 × 7,828.10
4. Step 4: Simplify right side
   8,015.82x = 94,120,312.19
5. Step 5: Solve for x
   x = 94,120,312.19/8,015.82
6. Step 6: Final answer
   x = 11,741.82