Finding the Fourth Proportional to 52,849.89, 72,932.49 and 28,976.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,849.89 : 72,932.49 = 28,976.04 : x
2. Step 2: Convert to fraction form
   52,849.89/72,932.49 = 28,976.04/x
3. Step 3: Cross multiply
   52,849.89x = 72,932.49 × 28,976.04
4. Step 4: Simplify right side
   52,849.89x = 2,113,294,747.54
5. Step 5: Solve for x
   x = 2,113,294,747.54/52,849.89
6. Step 6: Final answer
   x = 39,986.74