Finding the Fourth Proportional to 431,499.42, 595,469.85 and 240,508.71

Step by Step Solution

1. Step 1: Write the proportion equation
   431,499.42 : 595,469.85 = 240,508.71 : x
2. Step 2: Convert to fraction form
   431,499.42/595,469.85 = 240,508.71/x
3. Step 3: Cross multiply
   431,499.42x = 595,469.85 × 240,508.71
4. Step 4: Simplify right side
   431,499.42x = 143,215,685,467.39
5. Step 5: Solve for x
   x = 143,215,685,467.39/431,499.42
6. Step 6: Final answer
   x = 331,902.38