Finding the Fourth Proportional to 158,191.45, 218,406.09 and 141,166.42

Step by Step Solution

1. Step 1: Write the proportion equation
   158,191.45 : 218,406.09 = 141,166.42 : x
2. Step 2: Convert to fraction form
   158,191.45/218,406.09 = 141,166.42/x
3. Step 3: Cross multiply
   158,191.45x = 218,406.09 × 141,166.42
4. Step 4: Simplify right side
   158,191.45x = 30,831,605,831.50
5. Step 5: Solve for x
   x = 30,831,605,831.50/158,191.45
6. Step 6: Final answer
   x = 194,900.58