Finding the Fourth Proportional to 624,521.33, 861,841.59 and 338,041.34

Step by Step Solution

1. Step 1: Write the proportion equation
   624,521.33 : 861,841.59 = 338,041.34 : x
2. Step 2: Convert to fraction form
   624,521.33/861,841.59 = 338,041.34/x
3. Step 3: Cross multiply
   624,521.33x = 861,841.59 × 338,041.34
4. Step 4: Simplify right side
   624,521.33x = 291,338,085,951.33
5. Step 5: Solve for x
   x = 291,338,085,951.33/624,521.33
6. Step 6: Final answer
   x = 466,498.22