Finding the Fourth Proportional to 52,540.92, 72,505.48 and 28,667

Step by Step Solution

1. Step 1: Write the proportion equation
   52,540.92 : 72,505.48 = 28,667 : x
2. Step 2: Convert to fraction form
   52,540.92/72,505.48 = 28,667/x
3. Step 3: Cross multiply
   52,540.92x = 72,505.48 × 28,667
4. Step 4: Simplify right side
   52,540.92x = 2,078,514,595.16
5. Step 5: Solve for x
   x = 2,078,514,595.16/52,540.92
6. Step 6: Final answer
   x = 39,559.92