Finding the Fourth Proportional to 52,535.86, 72,499.46 and 28,662.73

Step by Step Solution

1. Step 1: Write the proportion equation
   52,535.86 : 72,499.46 = 28,662.73 : x
2. Step 2: Convert to fraction form
   52,535.86/72,499.46 = 28,662.73/x
3. Step 3: Cross multiply
   52,535.86x = 72,499.46 × 28,662.73
4. Step 4: Simplify right side
   52,535.86x = 2,078,032,122.56
5. Step 5: Solve for x
   x = 2,078,032,122.56/52,535.86
6. Step 6: Final answer
   x = 39,554.55