Finding the Fourth Proportional to 108,790.50, 150,092.38 and 71,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   108,790.50 : 150,092.38 = 71,086.62 : x
2. Step 2: Convert to fraction form
   108,790.50/150,092.38 = 71,086.62/x
3. Step 3: Cross multiply
   108,790.50x = 150,092.38 × 71,086.62
4. Step 4: Simplify right side
   108,790.50x = 10,669,559,981.96
5. Step 5: Solve for x
   x = 10,669,559,981.96/108,790.50
6. Step 6: Final answer
   x = 98,074.37