Finding the Fourth Proportional to 11,494.31, 15,859.35 and 7,016.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,494.31 : 15,859.35 = 7,016.43 : x
2. Step 2: Convert to fraction form
   11,494.31/15,859.35 = 7,016.43/x
3. Step 3: Cross multiply
   11,494.31x = 15,859.35 × 7,016.43
4. Step 4: Simplify right side
   11,494.31x = 111,276,019.12
5. Step 5: Solve for x
   x = 111,276,019.12/11,494.31
6. Step 6: Final answer
   x = 9,680.97