Finding the Fourth Proportional to 9,016.98, 13,515.88 and 5,320.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.98 : 13,515.88 = 5,320.94 : x
2. Step 2: Convert to fraction form
   9,016.98/13,515.88 = 5,320.94/x
3. Step 3: Cross multiply
   9,016.98x = 13,515.88 × 5,320.94
4. Step 4: Simplify right side
   9,016.98x = 71,917,186.53
5. Step 5: Solve for x
   x = 71,917,186.53/9,016.98
6. Step 6: Final answer
   x = 7,975.75