Finding the Fourth Proportional to 168,085.50, 231,957.99 and 101,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,085.50 : 231,957.99 = 101,017.50 : x
2. Step 2: Convert to fraction form
   168,085.50/231,957.99 = 101,017.50/x
3. Step 3: Cross multiply
   168,085.50x = 231,957.99 × 101,017.50
4. Step 4: Simplify right side
   168,085.50x = 23,431,816,254.83
5. Step 5: Solve for x
   x = 23,431,816,254.83/168,085.50
6. Step 6: Final answer
   x = 139,404.15