Finding the Fourth Proportional to 978,992.76, 1,468,505.34 and 269,016.42

Step by Step Solution

1. Step 1: Write the proportion equation
   978,992.76 : 1,468,505.34 = 269,016.42 : x
2. Step 2: Convert to fraction form
   978,992.76/1,468,505.34 = 269,016.42/x
3. Step 3: Cross multiply
   978,992.76x = 1,468,505.34 × 269,016.42
4. Step 4: Simplify right side
   978,992.76x = 395,052,049,317.68
5. Step 5: Solve for x
   x = 395,052,049,317.68/978,992.76
6. Step 6: Final answer
   x = 403,529.08