Finding the Fourth Proportional to 9,017.98, 13,517.38 and 5,321.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,017.98 : 13,517.38 = 5,321.94 : x
2. Step 2: Convert to fraction form
   9,017.98/13,517.38 = 5,321.94/x
3. Step 3: Cross multiply
   9,017.98x = 13,517.38 × 5,321.94
4. Step 4: Simplify right side
   9,017.98x = 71,938,685.32
5. Step 5: Solve for x
   x = 71,938,685.32/9,017.98
6. Step 6: Final answer
   x = 7,977.25