Finding the Fourth Proportional to 140,910.82, 211,304.78 and 53,297.38

Step by Step Solution

1. Step 1: Write the proportion equation
   140,910.82 : 211,304.78 = 53,297.38 : x
2. Step 2: Convert to fraction form
   140,910.82/211,304.78 = 53,297.38/x
3. Step 3: Cross multiply
   140,910.82x = 211,304.78 × 53,297.38
4. Step 4: Simplify right side
   140,910.82x = 11,261,990,098.95
5. Step 5: Solve for x
   x = 11,261,990,098.95/140,910.82
6. Step 6: Final answer
   x = 79,922.82