Finding the Fourth Proportional to 637,544, 879,810.72 and 351,063.47

Step by Step Solution

1. Step 1: Write the proportion equation
   637,544 : 879,810.72 = 351,063.47 : x
2. Step 2: Convert to fraction form
   637,544/879,810.72 = 351,063.47/x
3. Step 3: Cross multiply
   637,544x = 879,810.72 × 351,063.47
4. Step 4: Simplify right side
   637,544x = 308,869,404,306.40
5. Step 5: Solve for x
   x = 308,869,404,306.40/637,544
6. Step 6: Final answer
   x = 484,467.59