Finding the Fourth Proportional to 52,617.94, 72,612.79 and 28,744.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,617.94 : 72,612.79 = 28,744.54 : x
2. Step 2: Convert to fraction form
   52,617.94/72,612.79 = 28,744.54/x
3. Step 3: Cross multiply
   52,617.94x = 72,612.79 × 28,744.54
4. Step 4: Simplify right side
   52,617.94x = 2,087,220,993.27
5. Step 5: Solve for x
   x = 2,087,220,993.27/52,617.94
6. Step 6: Final answer
   x = 39,667.48