Finding the Fourth Proportional to 8,215.46, 12,319.55 and 5,095.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,215.46 : 12,319.55 = 5,095.34 : x
2. Step 2: Convert to fraction form
   8,215.46/12,319.55 = 5,095.34/x
3. Step 3: Cross multiply
   8,215.46x = 12,319.55 × 5,095.34
4. Step 4: Simplify right side
   8,215.46x = 62,772,295.90
5. Step 5: Solve for x
   x = 62,772,295.90/8,215.46
6. Step 6: Final answer
   x = 7,640.75