Finding the Fourth Proportional to 433,978.34, 598,896.27 and 250,213.23

Step by Step Solution

1. Step 1: Write the proportion equation
   433,978.34 : 598,896.27 = 250,213.23 : x
2. Step 2: Convert to fraction form
   433,978.34/598,896.27 = 250,213.23/x
3. Step 3: Cross multiply
   433,978.34x = 598,896.27 × 250,213.23
4. Step 4: Simplify right side
   433,978.34x = 149,851,770,151.65
5. Step 5: Solve for x
   x = 149,851,770,151.65/433,978.34
6. Step 6: Final answer
   x = 345,297.81