Finding the Fourth Proportional to 8,106.24, 12,157.20 and 3,488.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,106.24 : 12,157.20 = 3,488.16 : x
2. Step 2: Convert to fraction form
   8,106.24/12,157.20 = 3,488.16/x
3. Step 3: Cross multiply
   8,106.24x = 12,157.20 × 3,488.16
4. Step 4: Simplify right side
   8,106.24x = 42,406,258.75
5. Step 5: Solve for x
   x = 42,406,258.75/8,106.24
6. Step 6: Final answer
   x = 5,231.31