Finding the Fourth Proportional to 108,449.35, 149,665.83 and 68,148.20

Step by Step Solution

1. Step 1: Write the proportion equation
   108,449.35 : 149,665.83 = 68,148.20 : x
2. Step 2: Convert to fraction form
   108,449.35/149,665.83 = 68,148.20/x
3. Step 3: Cross multiply
   108,449.35x = 149,665.83 × 68,148.20
4. Step 4: Simplify right side
   108,449.35x = 10,199,457,034.61
5. Step 5: Solve for x
   x = 10,199,457,034.61/108,449.35
6. Step 6: Final answer
   x = 94,048.12