Finding the Fourth Proportional to 52,757.92, 72,805.89 and 28,884.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,757.92 : 72,805.89 = 28,884.59 : x
2. Step 2: Convert to fraction form
   52,757.92/72,805.89 = 28,884.59/x
3. Step 3: Cross multiply
   52,757.92x = 72,805.89 × 28,884.59
4. Step 4: Simplify right side
   52,757.92x = 2,102,967,954.31
5. Step 5: Solve for x
   x = 2,102,967,954.31/52,757.92
6. Step 6: Final answer
   x = 39,860.71