Finding the Fourth Proportional to 108,629.46, 149,945.34 and 68,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,629.46 : 149,945.34 = 68,410.50 : x
2. Step 2: Convert to fraction form
   108,629.46/149,945.34 = 68,410.50/x
3. Step 3: Cross multiply
   108,629.46x = 149,945.34 × 68,410.50
4. Step 4: Simplify right side
   108,629.46x = 10,257,835,682.07
5. Step 5: Solve for x
   x = 10,257,835,682.07/108,629.46
6. Step 6: Final answer
   x = 94,429.59