Finding the Fourth Proportional to 443,175.98, 664,931.45 and 173,496.83

Step by Step Solution

1. Step 1: Write the proportion equation
   443,175.98 : 664,931.45 = 173,496.83 : x
2. Step 2: Convert to fraction form
   443,175.98/664,931.45 = 173,496.83/x
3. Step 3: Cross multiply
   443,175.98x = 664,931.45 × 173,496.83
4. Step 4: Simplify right side
   443,175.98x = 115,363,495,851.39
5. Step 5: Solve for x
   x = 115,363,495,851.39/443,175.98
6. Step 6: Final answer
   x = 260,310.81