Finding the Fourth Proportional to 139,236.67, 192,141.46 and 75,573.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,236.67 : 192,141.46 = 75,573.10 : x
2. Step 2: Convert to fraction form
   139,236.67/192,141.46 = 75,573.10/x
3. Step 3: Cross multiply
   139,236.67x = 192,141.46 × 75,573.10
4. Step 4: Simplify right side
   139,236.67x = 14,520,726,105.37
5. Step 5: Solve for x
   x = 14,520,726,105.37/139,236.67
6. Step 6: Final answer
   x = 104,288.09