Finding the Fourth Proportional to 52,408.68, 72,323.60 and 28,535.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,408.68 : 72,323.60 = 28,535.34 : x
2. Step 2: Convert to fraction form
   52,408.68/72,323.60 = 28,535.34/x
3. Step 3: Cross multiply
   52,408.68x = 72,323.60 × 28,535.34
4. Step 4: Simplify right side
   52,408.68x = 2,063,778,516.02
5. Step 5: Solve for x
   x = 2,063,778,516.02/52,408.68
6. Step 6: Final answer
   x = 39,378.56