Finding the Fourth Proportional to 431,300.43, 595,170.28 and 237,707.53

Step by Step Solution

1. Step 1: Write the proportion equation
   431,300.43 : 595,170.28 = 237,707.53 : x
2. Step 2: Convert to fraction form
   431,300.43/595,170.28 = 237,707.53/x
3. Step 3: Cross multiply
   431,300.43x = 595,170.28 × 237,707.53
4. Step 4: Simplify right side
   431,300.43x = 141,476,455,997.42
5. Step 5: Solve for x
   x = 141,476,455,997.42/431,300.43
6. Step 6: Final answer
   x = 328,022.99