Finding the Fourth Proportional to 52,724.15, 72,759.31 and 28,850.82

Step by Step Solution

1. Step 1: Write the proportion equation
   52,724.15 : 72,759.31 = 28,850.82 : x
2. Step 2: Convert to fraction form
   52,724.15/72,759.31 = 28,850.82/x
3. Step 3: Cross multiply
   52,724.15x = 72,759.31 × 28,850.82
4. Step 4: Simplify right side
   52,724.15x = 2,099,165,573.45
5. Step 5: Solve for x
   x = 2,099,165,573.45/52,724.15
6. Step 6: Final answer
   x = 39,814.12