Finding the Fourth Proportional to 52,786.73, 72,845.69 and 28,913.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,786.73 : 72,845.69 = 28,913.46 : x
2. Step 2: Convert to fraction form
   52,786.73/72,845.69 = 28,913.46/x
3. Step 3: Cross multiply
   52,786.73x = 72,845.69 × 28,913.46
4. Step 4: Simplify right side
   52,786.73x = 2,106,220,799.42
5. Step 5: Solve for x
   x = 2,106,220,799.42/52,786.73
6. Step 6: Final answer
   x = 39,900.58