Finding the Fourth Proportional to 52,786.82, 72,845.83 and 28,914.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,786.82 : 72,845.83 = 28,914.35 : x
2. Step 2: Convert to fraction form
   52,786.82/72,845.83 = 28,914.35/x
3. Step 3: Cross multiply
   52,786.82x = 72,845.83 × 28,914.35
4. Step 4: Simplify right side
   52,786.82x = 2,106,289,680.09
5. Step 5: Solve for x
   x = 2,106,289,680.09/52,786.82
6. Step 6: Final answer
   x = 39,901.81