Finding the Fourth Proportional to 52,747.91, 72,792.96 and 28,874.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,747.91 : 72,792.96 = 28,874.17 : x
2. Step 2: Convert to fraction form
   52,747.91/72,792.96 = 28,874.17/x
3. Step 3: Cross multiply
   52,747.91x = 72,792.96 × 28,874.17
4. Step 4: Simplify right side
   52,747.91x = 2,101,835,937.88
5. Step 5: Solve for x
   x = 2,101,835,937.88/52,747.91
6. Step 6: Final answer
   x = 39,846.81