Finding the Fourth Proportional to 37,684.20, 52,003.98 and 20,688.73

Step by Step Solution

1. Step 1: Write the proportion equation
   37,684.20 : 52,003.98 = 20,688.73 : x
2. Step 2: Convert to fraction form
   37,684.20/52,003.98 = 20,688.73/x
3. Step 3: Cross multiply
   37,684.20x = 52,003.98 × 20,688.73
4. Step 4: Simplify right side
   37,684.20x = 1,075,896,171.14
5. Step 5: Solve for x
   x = 1,075,896,171.14/37,684.20
6. Step 6: Final answer
   x = 28,550.32