Finding the Fourth Proportional to 404,775.40, 567,515 and 404,775.40

Step by Step Solution

1. Step 1: Write the proportion equation
   404,775.40 : 567,515 = 404,775.40 : x
2. Step 2: Convert to fraction form
   404,775.40/567,515 = 404,775.40/x
3. Step 3: Cross multiply
   404,775.40x = 567,515 × 404,775.40
4. Step 4: Simplify right side
   404,775.40x = 229,716,111,131
5. Step 5: Solve for x
   x = 229,716,111,131/404,775.40
6. Step 6: Final answer
   x = 567,515