Finding the Fourth Proportional to 108,429.25, 149,724.71 and 68,210.32

Step by Step Solution

1. Step 1: Write the proportion equation
   108,429.25 : 149,724.71 = 68,210.32 : x
2. Step 2: Convert to fraction form
   108,429.25/149,724.71 = 68,210.32/x
3. Step 3: Cross multiply
   108,429.25x = 149,724.71 × 68,210.32
4. Step 4: Simplify right side
   108,429.25x = 10,212,770,381.01
5. Step 5: Solve for x
   x = 10,212,770,381.01/108,429.25
6. Step 6: Final answer
   x = 94,188.33