Finding the Fourth Proportional to 8,284.87, 12,428.52 and 5,162.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,284.87 : 12,428.52 = 5,162.32 : x
2. Step 2: Convert to fraction form
   8,284.87/12,428.52 = 5,162.32/x
3. Step 3: Cross multiply
   8,284.87x = 12,428.52 × 5,162.32
4. Step 4: Simplify right side
   8,284.87x = 64,159,997.37
5. Step 5: Solve for x
   x = 64,159,997.37/8,284.87
6. Step 6: Final answer
   x = 7,744.24