Finding the Fourth Proportional to 139,858.02, 193,029.03 and 82,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   139,858.02 : 193,029.03 = 82,493.82 : x
2. Step 2: Convert to fraction form
   139,858.02/193,029.03 = 82,493.82/x
3. Step 3: Cross multiply
   139,858.02x = 193,029.03 × 82,493.82
4. Step 4: Simplify right side
   139,858.02x = 15,923,702,055.59
5. Step 5: Solve for x
   x = 15,923,702,055.59/139,858.02
6. Step 6: Final answer
   x = 113,856.20