Finding the Fourth Proportional to 37,456.56, 56,170.53 and 12,491.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,456.56 : 56,170.53 = 12,491.82 : x
2. Step 2: Convert to fraction form
   37,456.56/56,170.53 = 12,491.82/x
3. Step 3: Cross multiply
   37,456.56x = 56,170.53 × 12,491.82
4. Step 4: Simplify right side
   37,456.56x = 701,672,150.06
5. Step 5: Solve for x
   x = 701,672,150.06/37,456.56
6. Step 6: Final answer
   x = 18,732.96