Finding the Fourth Proportional to 52,822.50, 72,895.05 and 28,950.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,822.50 : 72,895.05 = 28,950.12 : x
2. Step 2: Convert to fraction form
   52,822.50/72,895.05 = 28,950.12/x
3. Step 3: Cross multiply
   52,822.50x = 72,895.05 × 28,950.12
4. Step 4: Simplify right side
   52,822.50x = 2,110,320,444.91
5. Step 5: Solve for x
   x = 2,110,320,444.91/52,822.50
6. Step 6: Final answer
   x = 39,951.17