Finding the Fourth Proportional to 37,151.34, 55,720.86 and 13,772.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,151.34 : 55,720.86 = 13,772.28 : x
2. Step 2: Convert to fraction form
   37,151.34/55,720.86 = 13,772.28/x
3. Step 3: Cross multiply
   37,151.34x = 55,720.86 × 13,772.28
4. Step 4: Simplify right side
   37,151.34x = 767,403,285.76
5. Step 5: Solve for x
   x = 767,403,285.76/37,151.34
6. Step 6: Final answer
   x = 20,656.14