Finding the Fourth Proportional to 52,418.27, 72,338.51 and 28,546.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,418.27 : 72,338.51 = 28,546.25 : x
2. Step 2: Convert to fraction form
   52,418.27/72,338.51 = 28,546.25/x
3. Step 3: Cross multiply
   52,418.27x = 72,338.51 × 28,546.25
4. Step 4: Simplify right side
   52,418.27x = 2,064,992,900.76
5. Step 5: Solve for x
   x = 2,064,992,900.76/52,418.27
6. Step 6: Final answer
   x = 39,394.52