Finding the Fourth Proportional to 404,389.17, 558,058.91 and 223,101

Step by Step Solution

1. Step 1: Write the proportion equation
   404,389.17 : 558,058.91 = 223,101 : x
2. Step 2: Convert to fraction form
   404,389.17/558,058.91 = 223,101/x
3. Step 3: Cross multiply
   404,389.17x = 558,058.91 × 223,101
4. Step 4: Simplify right side
   404,389.17x = 124,503,499,764.41
5. Step 5: Solve for x
   x = 124,503,499,764.41/404,389.17
6. Step 6: Final answer
   x = 307,880.40