Finding the Fourth Proportional to 191,096.88, 263,831.76 and 123,137.92

Step by Step Solution

1. Step 1: Write the proportion equation
   191,096.88 : 263,831.76 = 123,137.92 : x
2. Step 2: Convert to fraction form
   191,096.88/263,831.76 = 123,137.92/x
3. Step 3: Cross multiply
   191,096.88x = 263,831.76 × 123,137.92
4. Step 4: Simplify right side
   191,096.88x = 32,487,694,156.34
5. Step 5: Solve for x
   x = 32,487,694,156.34/191,096.88
6. Step 6: Final answer
   x = 170,006.41