Finding the Fourth Proportional to 37,908.56, 56,850.53 and 12,601.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,908.56 : 56,850.53 = 12,601.28 : x
2. Step 2: Convert to fraction form
   37,908.56/56,850.53 = 12,601.28/x
3. Step 3: Cross multiply
   37,908.56x = 56,850.53 × 12,601.28
4. Step 4: Simplify right side
   37,908.56x = 716,389,099.42
5. Step 5: Solve for x
   x = 716,389,099.42/37,908.56
6. Step 6: Final answer
   x = 18,897.82