Finding the Fourth Proportional to 37,736.72, 56,601.80 and 12,776.22

Step by Step Solution

1. Step 1: Write the proportion equation
   37,736.72 : 56,601.80 = 12,776.22 : x
2. Step 2: Convert to fraction form
   37,736.72/56,601.80 = 12,776.22/x
3. Step 3: Cross multiply
   37,736.72x = 56,601.80 × 12,776.22
4. Step 4: Simplify right side
   37,736.72x = 723,157,049.20
5. Step 5: Solve for x
   x = 723,157,049.20/37,736.72
6. Step 6: Final answer
   x = 19,163.22