Finding the Fourth Proportional to 488,613.89, 733,018.61 and 168,777.43

Step by Step Solution

1. Step 1: Write the proportion equation
   488,613.89 : 733,018.61 = 168,777.43 : x
2. Step 2: Convert to fraction form
   488,613.89/733,018.61 = 168,777.43/x
3. Step 3: Cross multiply
   488,613.89x = 733,018.61 × 168,777.43
4. Step 4: Simplify right side
   488,613.89x = 123,716,995,727.37
5. Step 5: Solve for x
   x = 123,716,995,727.37/488,613.89
6. Step 6: Final answer
   x = 253,199.91