Finding the Fourth Proportional to 52,398.06, 72,309.33 and 28,524.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,398.06 : 72,309.33 = 28,524.72 : x
2. Step 2: Convert to fraction form
   52,398.06/72,309.33 = 28,524.72/x
3. Step 3: Cross multiply
   52,398.06x = 72,309.33 × 28,524.72
4. Step 4: Simplify right side
   52,398.06x = 2,062,603,662.80
5. Step 5: Solve for x
   x = 2,062,603,662.80/52,398.06
6. Step 6: Final answer
   x = 39,364.13