Finding the Fourth Proportional to 52,408.86, 72,323.50 and 28,535.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,408.86 : 72,323.50 = 28,535.53 : x
2. Step 2: Convert to fraction form
   52,408.86/72,323.50 = 28,535.53/x
3. Step 3: Cross multiply
   52,408.86x = 72,323.50 × 28,535.53
4. Step 4: Simplify right side
   52,408.86x = 2,063,789,340.92
5. Step 5: Solve for x
   x = 2,063,789,340.92/52,408.86
6. Step 6: Final answer
   x = 39,378.64