Finding the Fourth Proportional to 108,456.48, 149,662.56 and 60,709.44

Step by Step Solution

1. Step 1: Write the proportion equation
   108,456.48 : 149,662.56 = 60,709.44 : x
2. Step 2: Convert to fraction form
   108,456.48/149,662.56 = 60,709.44/x
3. Step 3: Cross multiply
   108,456.48x = 149,662.56 × 60,709.44
4. Step 4: Simplify right side
   108,456.48x = 9,085,930,206.57
5. Step 5: Solve for x
   x = 9,085,930,206.57/108,456.48
6. Step 6: Final answer
   x = 83,774.89