Finding the Fourth Proportional to 108,436.59, 149,608.40 and 60,682.35

Step by Step Solution

1. Step 1: Write the proportion equation
   108,436.59 : 149,608.40 = 60,682.35 : x
2. Step 2: Convert to fraction form
   108,436.59/149,608.40 = 60,682.35/x
3. Step 3: Cross multiply
   108,436.59x = 149,608.40 × 60,682.35
4. Step 4: Simplify right side
   108,436.59x = 9,078,588,988.33
5. Step 5: Solve for x
   x = 9,078,588,988.33/108,436.59
6. Step 6: Final answer
   x = 83,722.56