Finding the Fourth Proportional to 139,192.27, 192,085.86 and 75,530.07

Step by Step Solution

1. Step 1: Write the proportion equation
   139,192.27 : 192,085.86 = 75,530.07 : x
2. Step 2: Convert to fraction form
   139,192.27/192,085.86 = 75,530.07/x
3. Step 3: Cross multiply
   139,192.27x = 192,085.86 × 75,530.07
4. Step 4: Simplify right side
   139,192.27x = 14,508,258,735.05
5. Step 5: Solve for x
   x = 14,508,258,735.05/139,192.27
6. Step 6: Final answer
   x = 104,231.78