Finding the Fourth Proportional to 108,665.91, 149,958.86 and 60,919.27

Step by Step Solution

1. Step 1: Write the proportion equation
   108,665.91 : 149,958.86 = 60,919.27 : x
2. Step 2: Convert to fraction form
   108,665.91/149,958.86 = 60,919.27/x
3. Step 3: Cross multiply
   108,665.91x = 149,958.86 × 60,919.27
4. Step 4: Simplify right side
   108,665.91x = 9,135,383,601.74
5. Step 5: Solve for x
   x = 9,135,383,601.74/108,665.91
6. Step 6: Final answer
   x = 84,068.53