Finding the Fourth Proportional to 52,805.38, 72,871.41 and 28,932.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,805.38 : 72,871.41 = 28,932.96 : x
2. Step 2: Convert to fraction form
   52,805.38/72,871.41 = 28,932.96/x
3. Step 3: Cross multiply
   52,805.38x = 72,871.41 × 28,932.96
4. Step 4: Simplify right side
   52,805.38x = 2,108,385,590.67
5. Step 5: Solve for x
   x = 2,108,385,590.67/52,805.38
6. Step 6: Final answer
   x = 39,927.48