Finding the Fourth Proportional to 8,106.33, 12,157.15 and 3,427.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,106.33 : 12,157.15 = 3,427.39 : x
2. Step 2: Convert to fraction form
   8,106.33/12,157.15 = 3,427.39/x
3. Step 3: Cross multiply
   8,106.33x = 12,157.15 × 3,427.39
4. Step 4: Simplify right side
   8,106.33x = 41,667,294.34
5. Step 5: Solve for x
   x = 41,667,294.34/8,106.33
6. Step 6: Final answer
   x = 5,140.09