Finding the Fourth Proportional to 443,832.10, 612,476.04 and 250,238.15

Step by Step Solution

1. Step 1: Write the proportion equation
   443,832.10 : 612,476.04 = 250,238.15 : x
2. Step 2: Convert to fraction form
   443,832.10/612,476.04 = 250,238.15/x
3. Step 3: Cross multiply
   443,832.10x = 612,476.04 × 250,238.15
4. Step 4: Simplify right side
   443,832.10x = 153,264,871,168.93
5. Step 5: Solve for x
   x = 153,264,871,168.93/443,832.10
6. Step 6: Final answer
   x = 345,321.74