Finding the Fourth Proportional to 52,308.48, 72,185.12 and 38,939.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,308.48 : 72,185.12 = 38,939.52 : x
2. Step 2: Convert to fraction form
   52,308.48/72,185.12 = 38,939.52/x
3. Step 3: Cross multiply
   52,308.48x = 72,185.12 × 38,939.52
4. Step 4: Simplify right side
   52,308.48x = 2,810,853,923.94
5. Step 5: Solve for x
   x = 2,810,853,923.94/52,308.48
6. Step 6: Final answer
   x = 53,736.10