Finding the Fourth Proportional to 9,698.72, 14,548.38 and 2,679.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,698.72 : 14,548.38 = 2,679.26 : x
2. Step 2: Convert to fraction form
   9,698.72/14,548.38 = 2,679.26/x
3. Step 3: Cross multiply
   9,698.72x = 14,548.38 × 2,679.26
4. Step 4: Simplify right side
   9,698.72x = 38,978,892.60
5. Step 5: Solve for x
   x = 38,978,892.60/9,698.72
6. Step 6: Final answer
   x = 4,018.97