Finding the Fourth Proportional to 37,630.37, 51,930.50 and 20,636.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,630.37 : 51,930.50 = 20,636.16 : x
2. Step 2: Convert to fraction form
   37,630.37/51,930.50 = 20,636.16/x
3. Step 3: Cross multiply
   37,630.37x = 51,930.50 × 20,636.16
4. Step 4: Simplify right side
   37,630.37x = 1,071,646,003.70
5. Step 5: Solve for x
   x = 1,071,646,003.70/37,630.37
6. Step 6: Final answer
   x = 28,478.23