Finding the Fourth Proportional to 462,614, 638,407.32 and 250,646

Step by Step Solution

1. Step 1: Write the proportion equation
   462,614 : 638,407.32 = 250,646 : x
2. Step 2: Convert to fraction form
   462,614/638,407.32 = 250,646/x
3. Step 3: Cross multiply
   462,614x = 638,407.32 × 250,646
4. Step 4: Simplify right side
   462,614x = 160,014,241,128.72
5. Step 5: Solve for x
   x = 160,014,241,128.72/462,614
6. Step 6: Final answer
   x = 345,891.48