Finding the Fourth Proportional to 72,694.78, 108,838.86 and 39,295

Step by Step Solution

1. Step 1: Write the proportion equation
   72,694.78 : 108,838.86 = 39,295 : x
2. Step 2: Convert to fraction form
   72,694.78/108,838.86 = 39,295/x
3. Step 3: Cross multiply
   72,694.78x = 108,838.86 × 39,295
4. Step 4: Simplify right side
   72,694.78x = 4,276,823,003.70
5. Step 5: Solve for x
   x = 4,276,823,003.70/72,694.78
6. Step 6: Final answer
   x = 58,832.60