Finding the Fourth Proportional to 139,110.76, 191,943.30 and 82,540.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,110.76 : 191,943.30 = 82,540.52 : x
2. Step 2: Convert to fraction form
   139,110.76/191,943.30 = 82,540.52/x
3. Step 3: Cross multiply
   139,110.76x = 191,943.30 × 82,540.52
4. Step 4: Simplify right side
   139,110.76x = 15,843,099,792.52
5. Step 5: Solve for x
   x = 15,843,099,792.52/139,110.76
6. Step 6: Final answer
   x = 113,888.38