Finding the Fourth Proportional to 37,317.81, 51,496.23 and 20,550.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,317.81 : 51,496.23 = 20,550.81 : x
2. Step 2: Convert to fraction form
   37,317.81/51,496.23 = 20,550.81/x
3. Step 3: Cross multiply
   37,317.81x = 51,496.23 × 20,550.81
4. Step 4: Simplify right side
   37,317.81x = 1,058,289,238.45
5. Step 5: Solve for x
   x = 1,058,289,238.45/37,317.81
6. Step 6: Final answer
   x = 28,358.82