Finding the Fourth Proportional to 82,728.96, 123,860.37 and 52,669.33

Step by Step Solution

1. Step 1: Write the proportion equation
   82,728.96 : 123,860.37 = 52,669.33 : x
2. Step 2: Convert to fraction form
   82,728.96/123,860.37 = 52,669.33/x
3. Step 3: Cross multiply
   82,728.96x = 123,860.37 × 52,669.33
4. Step 4: Simplify right side
   82,728.96x = 6,523,642,589.31
5. Step 5: Solve for x
   x = 6,523,642,589.31/82,728.96
6. Step 6: Final answer
   x = 78,855.61