Finding the Fourth Proportional to 37,630.62, 56,425.77 and 12,662.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,630.62 : 56,425.77 = 12,662.37 : x
2. Step 2: Convert to fraction form
   37,630.62/56,425.77 = 12,662.37/x
3. Step 3: Cross multiply
   37,630.62x = 56,425.77 × 12,662.37
4. Step 4: Simplify right side
   37,630.62x = 714,483,977.27
5. Step 5: Solve for x
   x = 714,483,977.27/37,630.62
6. Step 6: Final answer
   x = 18,986.77