Finding the Fourth Proportional to 139,831.62, 209,666.42 and 95,511.94

Step by Step Solution

1. Step 1: Write the proportion equation
   139,831.62 : 209,666.42 = 95,511.94 : x
2. Step 2: Convert to fraction form
   139,831.62/209,666.42 = 95,511.94/x
3. Step 3: Cross multiply
   139,831.62x = 209,666.42 × 95,511.94
4. Step 4: Simplify right side
   139,831.62x = 20,025,646,527.05
5. Step 5: Solve for x
   x = 20,025,646,527.05/139,831.62
6. Step 6: Final answer
   x = 143,212.58