Finding the Fourth Proportional to 8,048.12, 12,065.82 and 5,231

Step by Step Solution

1. Step 1: Write the proportion equation
   8,048.12 : 12,065.82 = 5,231 : x
2. Step 2: Convert to fraction form
   8,048.12/12,065.82 = 5,231/x
3. Step 3: Cross multiply
   8,048.12x = 12,065.82 × 5,231
4. Step 4: Simplify right side
   8,048.12x = 63,116,304.42
5. Step 5: Solve for x
   x = 63,116,304.42/8,048.12
6. Step 6: Final answer
   x = 7,842.37