Finding the Fourth Proportional to 37,185.91, 55,723.48 and 20,550.71

Step by Step Solution

1. Step 1: Write the proportion equation
   37,185.91 : 55,723.48 = 20,550.71 : x
2. Step 2: Convert to fraction form
   37,185.91/55,723.48 = 20,550.71/x
3. Step 3: Cross multiply
   37,185.91x = 55,723.48 × 20,550.71
4. Step 4: Simplify right side
   37,185.91x = 1,145,157,165.60
5. Step 5: Solve for x
   x = 1,145,157,165.60/37,185.91
6. Step 6: Final answer
   x = 30,795.46