Finding the Fourth Proportional to 461,825.40, 637,758.72 and 436,665.24

Step by Step Solution

1. Step 1: Write the proportion equation
   461,825.40 : 637,758.72 = 436,665.24 : x
2. Step 2: Convert to fraction form
   461,825.40/637,758.72 = 436,665.24/x
3. Step 3: Cross multiply
   461,825.40x = 637,758.72 × 436,665.24
4. Step 4: Simplify right side
   461,825.40x = 278,487,064,530.89
5. Step 5: Solve for x
   x = 278,487,064,530.89/461,825.40
6. Step 6: Final answer
   x = 603,013.75