Finding the Fourth Proportional to 147,885.50, 204,081.99 and 80,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,885.50 : 204,081.99 = 80,817.50 : x
2. Step 2: Convert to fraction form
   147,885.50/204,081.99 = 80,817.50/x
3. Step 3: Cross multiply
   147,885.50x = 204,081.99 × 80,817.50
4. Step 4: Simplify right side
   147,885.50x = 16,493,396,226.83
5. Step 5: Solve for x
   x = 16,493,396,226.83/147,885.50
6. Step 6: Final answer
   x = 111,528.15