Finding the Fourth Proportional to 147,925, 204,136.50 and 80,857

Step by Step Solution

1. Step 1: Write the proportion equation
   147,925 : 204,136.50 = 80,857 : x
2. Step 2: Convert to fraction form
   147,925/204,136.50 = 80,857/x
3. Step 3: Cross multiply
   147,925x = 204,136.50 × 80,857
4. Step 4: Simplify right side
   147,925x = 16,505,864,980.50
5. Step 5: Solve for x
   x = 16,505,864,980.50/147,925
6. Step 6: Final answer
   x = 111,582.66