Finding the Fourth Proportional to 8,567.82, 12,848.31 and 3,299.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,567.82 : 12,848.31 = 3,299.90 : x
2. Step 2: Convert to fraction form
   8,567.82/12,848.31 = 3,299.90/x
3. Step 3: Cross multiply
   8,567.82x = 12,848.31 × 3,299.90
4. Step 4: Simplify right side
   8,567.82x = 42,398,073.93
5. Step 5: Solve for x
   x = 42,398,073.93/8,567.82
6. Step 6: Final answer
   x = 4,948.53