Finding the Fourth Proportional to 52,744.91, 72,788.00 and 28,872.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,744.91 : 72,788.00 = 28,872.10 : x
2. Step 2: Convert to fraction form
   52,744.91/72,788.00 = 28,872.10/x
3. Step 3: Cross multiply
   52,744.91x = 72,788.00 × 28,872.10
4. Step 4: Simplify right side
   52,744.91x = 2,101,542,088.47
5. Step 5: Solve for x
   x = 2,101,542,088.47/52,744.91
6. Step 6: Final answer
   x = 39,843.50