Finding the Fourth Proportional to 139,060.69, 191,902.02 and 75,398.33

Step by Step Solution

1. Step 1: Write the proportion equation
   139,060.69 : 191,902.02 = 75,398.33 : x
2. Step 2: Convert to fraction form
   139,060.69/191,902.02 = 75,398.33/x
3. Step 3: Cross multiply
   139,060.69x = 191,902.02 × 75,398.33
4. Step 4: Simplify right side
   139,060.69x = 14,469,091,831.63
5. Step 5: Solve for x
   x = 14,469,091,831.63/139,060.69
6. Step 6: Final answer
   x = 104,048.76