Finding the Fourth Proportional to 40,769.02, 61,162.17 and 13,086.46

Step by Step Solution

1. Step 1: Write the proportion equation
   40,769.02 : 61,162.17 = 13,086.46 : x
2. Step 2: Convert to fraction form
   40,769.02/61,162.17 = 13,086.46/x
3. Step 3: Cross multiply
   40,769.02x = 61,162.17 × 13,086.46
4. Step 4: Simplify right side
   40,769.02x = 800,396,291.22
5. Step 5: Solve for x
   x = 800,396,291.22/40,769.02
6. Step 6: Final answer
   x = 19,632.46