Finding the Fourth Proportional to 35,938.24, 53,887.92 and 12,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   35,938.24 : 53,887.92 = 12,238.72 : x
2. Step 2: Convert to fraction form
   35,938.24/53,887.92 = 12,238.72/x
3. Step 3: Cross multiply
   35,938.24x = 53,887.92 × 12,238.72
4. Step 4: Simplify right side
   35,938.24x = 659,519,164.26
5. Step 5: Solve for x
   x = 659,519,164.26/35,938.24
6. Step 6: Final answer
   x = 18,351.46