Finding the Fourth Proportional to 139,227.54, 192,134.15 and 75,565.37

Step by Step Solution

1. Step 1: Write the proportion equation
   139,227.54 : 192,134.15 = 75,565.37 : x
2. Step 2: Convert to fraction form
   139,227.54/192,134.15 = 75,565.37/x
3. Step 3: Cross multiply
   139,227.54x = 192,134.15 × 75,565.37
4. Step 4: Simplify right side
   139,227.54x = 14,518,686,795.89
5. Step 5: Solve for x
   x = 14,518,686,795.89/139,227.54
6. Step 6: Final answer
   x = 104,280.28