Finding the Fourth Proportional to 52,841.92, 72,921.86 and 28,968.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,841.92 : 72,921.86 = 28,968.09 : x
2. Step 2: Convert to fraction form
   52,841.92/72,921.86 = 28,968.09/x
3. Step 3: Cross multiply
   52,841.92x = 72,921.86 × 28,968.09
4. Step 4: Simplify right side
   52,841.92x = 2,112,407,003.45
5. Step 5: Solve for x
   x = 2,112,407,003.45/52,841.92
6. Step 6: Final answer
   x = 39,975.97