Finding the Fourth Proportional to 9,441.25, 13,019.99 and 6,886.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,441.25 : 13,019.99 = 6,886.69 : x
2. Step 2: Convert to fraction form
   9,441.25/13,019.99 = 6,886.69/x
3. Step 3: Cross multiply
   9,441.25x = 13,019.99 × 6,886.69
4. Step 4: Simplify right side
   9,441.25x = 89,664,600.50
5. Step 5: Solve for x
   x = 89,664,600.50/9,441.25
6. Step 6: Final answer
   x = 9,497.11