Finding the Fourth Proportional to 12,158.87, 18,231.46 and 3,837.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.87 : 18,231.46 = 3,837.33 : x
2. Step 2: Convert to fraction form
   12,158.87/18,231.46 = 3,837.33/x
3. Step 3: Cross multiply
   12,158.87x = 18,231.46 × 3,837.33
4. Step 4: Simplify right side
   12,158.87x = 69,960,118.81
5. Step 5: Solve for x
   x = 69,960,118.81/12,158.87
6. Step 6: Final answer
   x = 5,753.84