Finding the Fourth Proportional to 147,884.50, 204,080.61 and 80,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,884.50 : 204,080.61 = 80,816.50 : x
2. Step 2: Convert to fraction form
   147,884.50/204,080.61 = 80,816.50/x
3. Step 3: Cross multiply
   147,884.50x = 204,080.61 × 80,816.50
4. Step 4: Simplify right side
   147,884.50x = 16,493,080,618.07
5. Step 5: Solve for x
   x = 16,493,080,618.07/147,884.50
6. Step 6: Final answer
   x = 111,526.77