Finding the Fourth Proportional to 460,890, 636,028.56 and 248,922

Step by Step Solution

1. Step 1: Write the proportion equation
   460,890 : 636,028.56 = 248,922 : x
2. Step 2: Convert to fraction form
   460,890/636,028.56 = 248,922/x
3. Step 3: Cross multiply
   460,890x = 636,028.56 × 248,922
4. Step 4: Simplify right side
   460,890x = 158,321,501,212.32
5. Step 5: Solve for x
   x = 158,321,501,212.32/460,890
6. Step 6: Final answer
   x = 343,512.55