Finding the Fourth Proportional to 37,231.15, 55,815.33 and 16,155.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,231.15 : 55,815.33 = 16,155.31 : x
2. Step 2: Convert to fraction form
   37,231.15/55,815.33 = 16,155.31/x
3. Step 3: Cross multiply
   37,231.15x = 55,815.33 × 16,155.31
4. Step 4: Simplify right side
   37,231.15x = 901,713,599.05
5. Step 5: Solve for x
   x = 901,713,599.05/37,231.15
6. Step 6: Final answer
   x = 24,219.33