Finding the Fourth Proportional to 52,724.69, 72,760.07 and 28,851.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,724.69 : 72,760.07 = 28,851.37 : x
2. Step 2: Convert to fraction form
   52,724.69/72,760.07 = 28,851.37/x
3. Step 3: Cross multiply
   52,724.69x = 72,760.07 × 28,851.37
4. Step 4: Simplify right side
   52,724.69x = 2,099,227,591.02
5. Step 5: Solve for x
   x = 2,099,227,591.02/52,724.69
6. Step 6: Final answer
   x = 39,814.89