Finding the Fourth Proportional to 37,119.50, 55,678.17 and 13,745.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,119.50 : 55,678.17 = 13,745.42 : x
2. Step 2: Convert to fraction form
   37,119.50/55,678.17 = 13,745.42/x
3. Step 3: Cross multiply
   37,119.50x = 55,678.17 × 13,745.42
4. Step 4: Simplify right side
   37,119.50x = 765,319,831.48
5. Step 5: Solve for x
   x = 765,319,831.48/37,119.50
6. Step 6: Final answer
   x = 20,617.73