Finding the Fourth Proportional to 52,609.73, 72,601.42 and 28,736.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,609.73 : 72,601.42 = 28,736.46 : x
2. Step 2: Convert to fraction form
   52,609.73/72,601.42 = 28,736.46/x
3. Step 3: Cross multiply
   52,609.73x = 72,601.42 × 28,736.46
4. Step 4: Simplify right side
   52,609.73x = 2,086,307,801.77
5. Step 5: Solve for x
   x = 2,086,307,801.77/52,609.73
6. Step 6: Final answer
   x = 39,656.31