Finding the Fourth Proportional to 108,436.84, 149,608.74 and 60,682.60

Step by Step Solution

1. Step 1: Write the proportion equation
   108,436.84 : 149,608.74 = 60,682.60 : x
2. Step 2: Convert to fraction form
   108,436.84/149,608.74 = 60,682.60/x
3. Step 3: Cross multiply
   108,436.84x = 149,608.74 × 60,682.60
4. Step 4: Simplify right side
   108,436.84x = 9,078,647,325.92
5. Step 5: Solve for x
   x = 9,078,647,325.92/108,436.84
6. Step 6: Final answer
   x = 83,722.91