Finding the Fourth Proportional to 52,669.78, 72,684.54 and 28,796.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,669.78 : 72,684.54 = 28,796.46 : x
2. Step 2: Convert to fraction form
   52,669.78/72,684.54 = 28,796.46/x
3. Step 3: Cross multiply
   52,669.78x = 72,684.54 × 28,796.46
4. Step 4: Simplify right side
   52,669.78x = 2,093,057,448.73
5. Step 5: Solve for x
   x = 2,093,057,448.73/52,669.78
6. Step 6: Final answer
   x = 39,739.25