Finding the Fourth Proportional to 700,086.69, 966,108.60 and 394,162.38

Step by Step Solution

1. Step 1: Write the proportion equation
   700,086.69 : 966,108.60 = 394,162.38 : x
2. Step 2: Convert to fraction form
   700,086.69/966,108.60 = 394,162.38/x
3. Step 3: Cross multiply
   700,086.69x = 966,108.60 × 394,162.38
4. Step 4: Simplify right side
   700,086.69x = 380,803,665,114.47
5. Step 5: Solve for x
   x = 380,803,665,114.47/700,086.69
6. Step 6: Final answer
   x = 543,937.87