Finding the Fourth Proportional to 139,103.76, 191,933.64 and 82,533.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,103.76 : 191,933.64 = 82,533.52 : x
2. Step 2: Convert to fraction form
   139,103.76/191,933.64 = 82,533.52/x
3. Step 3: Cross multiply
   139,103.76x = 191,933.64 × 82,533.52
4. Step 4: Simplify right side
   139,103.76x = 15,840,958,915.61
5. Step 5: Solve for x
   x = 15,840,958,915.61/139,103.76
6. Step 6: Final answer
   x = 113,878.73