Finding the Fourth Proportional to 72,696.78, 108,841.86 and 39,297

Step by Step Solution

1. Step 1: Write the proportion equation
   72,696.78 : 108,841.86 = 39,297 : x
2. Step 2: Convert to fraction form
   72,696.78/108,841.86 = 39,297/x
3. Step 3: Cross multiply
   72,696.78x = 108,841.86 × 39,297
4. Step 4: Simplify right side
   72,696.78x = 4,277,158,572.42
5. Step 5: Solve for x
   x = 4,277,158,572.42/72,696.78
6. Step 6: Final answer
   x = 58,835.60