Finding the Fourth Proportional to 444,597, 613,543.89 and 243,393

Step by Step Solution

1. Step 1: Write the proportion equation
   444,597 : 613,543.89 = 243,393 : x
2. Step 2: Convert to fraction form
   444,597/613,543.89 = 243,393/x
3. Step 3: Cross multiply
   444,597x = 613,543.89 × 243,393
4. Step 4: Simplify right side
   444,597x = 149,332,288,018.77
5. Step 5: Solve for x
   x = 149,332,288,018.77/444,597
6. Step 6: Final answer
   x = 335,882.36