Finding the Fourth Proportional to 147,970.62, 204,196.38 and 80,902.62

Step by Step Solution

1. Step 1: Write the proportion equation
   147,970.62 : 204,196.38 = 80,902.62 : x
2. Step 2: Convert to fraction form
   147,970.62/204,196.38 = 80,902.62/x
3. Step 3: Cross multiply
   147,970.62x = 204,196.38 × 80,902.62
4. Step 4: Simplify right side
   147,970.62x = 16,520,022,136.52
5. Step 5: Solve for x
   x = 16,520,022,136.52/147,970.62
6. Step 6: Final answer
   x = 111,643.93