Finding the Fourth Proportional to 637,061.42, 879,144.89 and 350,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   637,061.42 : 879,144.89 = 350,581.50 : x
2. Step 2: Convert to fraction form
   637,061.42/879,144.89 = 350,581.50/x
3. Step 3: Cross multiply
   637,061.42x = 879,144.89 × 350,581.50
4. Step 4: Simplify right side
   637,061.42x = 308,211,934,253.54
5. Step 5: Solve for x
   x = 308,211,934,253.54/637,061.42
6. Step 6: Final answer
   x = 483,802.54