Finding the Fourth Proportional to 32,769.31, 49,154.15 and 8,145.31

Step by Step Solution

1. Step 1: Write the proportion equation
   32,769.31 : 49,154.15 = 8,145.31 : x
2. Step 2: Convert to fraction form
   32,769.31/49,154.15 = 8,145.31/x
3. Step 3: Cross multiply
   32,769.31x = 49,154.15 × 8,145.31
4. Step 4: Simplify right side
   32,769.31x = 400,375,902.24
5. Step 5: Solve for x
   x = 400,375,902.24/32,769.31
6. Step 6: Final answer
   x = 12,218.01