Finding the Fourth Proportional to 37,238.83, 55,846.38 and 12,274.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,238.83 : 55,846.38 = 12,274.21 : x
2. Step 2: Convert to fraction form
   37,238.83/55,846.38 = 12,274.21/x
3. Step 3: Cross multiply
   37,238.83x = 55,846.38 × 12,274.21
4. Step 4: Simplify right side
   37,238.83x = 685,470,195.86
5. Step 5: Solve for x
   x = 685,470,195.86/37,238.83
6. Step 6: Final answer
   x = 18,407.40