Finding the Fourth Proportional to 13,016.38, 19,498.43 and 5,986.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.38 : 19,498.43 = 5,986.63 : x
2. Step 2: Convert to fraction form
   13,016.38/19,498.43 = 5,986.63/x
3. Step 3: Cross multiply
   13,016.38x = 19,498.43 × 5,986.63
4. Step 4: Simplify right side
   13,016.38x = 116,729,885.99
5. Step 5: Solve for x
   x = 116,729,885.99/13,016.38
6. Step 6: Final answer
   x = 8,967.92