Finding the Fourth Proportional to 477,443.97, 658,878.17 and 262,587.62

Step by Step Solution

1. Step 1: Write the proportion equation
   477,443.97 : 658,878.17 = 262,587.62 : x
2. Step 2: Convert to fraction form
   477,443.97/658,878.17 = 262,587.62/x
3. Step 3: Cross multiply
   477,443.97x = 658,878.17 × 262,587.62
4. Step 4: Simplify right side
   477,443.97x = 173,013,253,080.10
5. Step 5: Solve for x
   x = 173,013,253,080.10/477,443.97
6. Step 6: Final answer
   x = 362,373.94