Finding the Fourth Proportional to 52,451.67, 72,382.39 and 28,578.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,451.67 : 72,382.39 = 28,578.52 : x
2. Step 2: Convert to fraction form
   52,451.67/72,382.39 = 28,578.52/x
3. Step 3: Cross multiply
   52,451.67x = 72,382.39 × 28,578.52
4. Step 4: Simplify right side
   52,451.67x = 2,068,581,327.86
5. Step 5: Solve for x
   x = 2,068,581,327.86/52,451.67
6. Step 6: Final answer
   x = 39,437.85