Finding the Fourth Proportional to 139,433.06, 192,445.56 and 82,833.50

Step by Step Solution

1. Step 1: Write the proportion equation
   139,433.06 : 192,445.56 = 82,833.50 : x
2. Step 2: Convert to fraction form
   139,433.06/192,445.56 = 82,833.50/x
3. Step 3: Cross multiply
   139,433.06x = 192,445.56 × 82,833.50
4. Step 4: Simplify right side
   139,433.06x = 15,940,939,294.26
5. Step 5: Solve for x
   x = 15,940,939,294.26/139,433.06
6. Step 6: Final answer
   x = 114,326.83