Finding the Fourth Proportional to 108,216.67, 149,356.42 and 67,936.23

Step by Step Solution

1. Step 1: Write the proportion equation
   108,216.67 : 149,356.42 = 67,936.23 : x
2. Step 2: Convert to fraction form
   108,216.67/149,356.42 = 67,936.23/x
3. Step 3: Cross multiply
   108,216.67x = 149,356.42 × 67,936.23
4. Step 4: Simplify right side
   108,216.67x = 10,146,712,101.10
5. Step 5: Solve for x
   x = 10,146,712,101.10/108,216.67
6. Step 6: Final answer
   x = 93,762.93