Finding the Fourth Proportional to 52,765.83, 72,816.77 and 28,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,765.83 : 72,816.77 = 28,892.50 : x
2. Step 2: Convert to fraction form
   52,765.83/72,816.77 = 28,892.50/x
3. Step 3: Cross multiply
   52,765.83x = 72,816.77 × 28,892.50
4. Step 4: Simplify right side
   52,765.83x = 2,103,858,417.41
5. Step 5: Solve for x
   x = 2,103,858,417.41/52,765.83
6. Step 6: Final answer
   x = 39,871.61