Finding the Fourth Proportional to 37,105.08, 55,679.46 and 13,747.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,105.08 : 55,679.46 = 13,747.80 : x
2. Step 2: Convert to fraction form
   37,105.08/55,679.46 = 13,747.80/x
3. Step 3: Cross multiply
   37,105.08x = 55,679.46 × 13,747.80
4. Step 4: Simplify right side
   37,105.08x = 765,470,080.19
5. Step 5: Solve for x
   x = 765,470,080.19/37,105.08
6. Step 6: Final answer
   x = 20,629.79