Finding the Fourth Proportional to 9,801.48, 14,677.38 and 8,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,801.48 : 14,677.38 = 8,424.12 : x
2. Step 2: Convert to fraction form
   9,801.48/14,677.38 = 8,424.12/x
3. Step 3: Cross multiply
   9,801.48x = 14,677.38 × 8,424.12
4. Step 4: Simplify right side
   9,801.48x = 123,644,010.41
5. Step 5: Solve for x
   x = 123,644,010.41/9,801.48
6. Step 6: Final answer
   x = 12,614.83