Finding the Fourth Proportional to 139,112.76, 191,946.06 and 82,542.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,112.76 : 191,946.06 = 82,542.52 : x
2. Step 2: Convert to fraction form
   139,112.76/191,946.06 = 82,542.52/x
3. Step 3: Cross multiply
   139,112.76x = 191,946.06 × 82,542.52
4. Step 4: Simplify right side
   139,112.76x = 15,843,711,496.47
5. Step 5: Solve for x
   x = 15,843,711,496.47/139,112.76
6. Step 6: Final answer
   x = 113,891.14