Finding the Fourth Proportional to 3,109.50, 4,664.34 and 801

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.50 : 4,664.34 = 801 : x
2. Step 2: Convert to fraction form
   3,109.50/4,664.34 = 801/x
3. Step 3: Cross multiply
   3,109.50x = 4,664.34 × 801
4. Step 4: Simplify right side
   3,109.50x = 3,736,136.34
5. Step 5: Solve for x
   x = 3,736,136.34/3,109.50
6. Step 6: Final answer
   x = 1,201.52