Finding the Fourth Proportional to 8,157.69, 12,238.11 and 3,477.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,157.69 : 12,238.11 = 3,477.62 : x
2. Step 2: Convert to fraction form
   8,157.69/12,238.11 = 3,477.62/x
3. Step 3: Cross multiply
   8,157.69x = 12,238.11 × 3,477.62
4. Step 4: Simplify right side
   8,157.69x = 42,559,496.10
5. Step 5: Solve for x
   x = 42,559,496.10/8,157.69
6. Step 6: Final answer
   x = 5,217.10