Finding the Fourth Proportional to 864,196.83, 1,192,591.73 and 477,012.38

Step by Step Solution

1. Step 1: Write the proportion equation
   864,196.83 : 1,192,591.73 = 477,012.38 : x
2. Step 2: Convert to fraction form
   864,196.83/1,192,591.73 = 477,012.38/x
3. Step 3: Cross multiply
   864,196.83x = 1,192,591.73 × 477,012.38
4. Step 4: Simplify right side
   864,196.83x = 568,881,011,147.60
5. Step 5: Solve for x
   x = 568,881,011,147.60/864,196.83
6. Step 6: Final answer
   x = 658,277.13