Finding the Fourth Proportional to 37,151.74, 55,738.56 and 13,772.74

Step by Step Solution

1. Step 1: Write the proportion equation
   37,151.74 : 55,738.56 = 13,772.74 : x
2. Step 2: Convert to fraction form
   37,151.74/55,738.56 = 13,772.74/x
3. Step 3: Cross multiply
   37,151.74x = 55,738.56 × 13,772.74
4. Step 4: Simplify right side
   37,151.74x = 767,672,694.85
5. Step 5: Solve for x
   x = 767,672,694.85/37,151.74
6. Step 6: Final answer
   x = 20,663.17