Finding the Fourth Proportional to 146,834.50, 202,614.42 and 86,391.86

Step by Step Solution

1. Step 1: Write the proportion equation
   146,834.50 : 202,614.42 = 86,391.86 : x
2. Step 2: Convert to fraction form
   146,834.50/202,614.42 = 86,391.86/x
3. Step 3: Cross multiply
   146,834.50x = 202,614.42 × 86,391.86
4. Step 4: Simplify right side
   146,834.50x = 17,504,236,606.62
5. Step 5: Solve for x
   x = 17,504,236,606.62/146,834.50
6. Step 6: Final answer
   x = 119,210.65