Finding the Fourth Proportional to 52,609.82, 72,601.94 and 28,736.49

Step by Step Solution

1. Step 1: Write the proportion equation
   52,609.82 : 72,601.94 = 28,736.49 : x
2. Step 2: Convert to fraction form
   52,609.82/72,601.94 = 28,736.49/x
3. Step 3: Cross multiply
   52,609.82x = 72,601.94 × 28,736.49
4. Step 4: Simplify right side
   52,609.82x = 2,086,324,696.86
5. Step 5: Solve for x
   x = 2,086,324,696.86/52,609.82
6. Step 6: Final answer
   x = 39,656.56