Finding the Fourth Proportional to 404,696.82, 558,466.98 and 223,404.87

Step by Step Solution

1. Step 1: Write the proportion equation
   404,696.82 : 558,466.98 = 223,404.87 : x
2. Step 2: Convert to fraction form
   404,696.82/558,466.98 = 223,404.87/x
3. Step 3: Cross multiply
   404,696.82x = 558,466.98 × 223,404.87
4. Step 4: Simplify right side
   404,696.82x = 124,764,243,066.19
5. Step 5: Solve for x
   x = 124,764,243,066.19/404,696.82
6. Step 6: Final answer
   x = 308,290.64