Finding the Fourth Proportional to 9,535.32, 13,157.91 and 5,286.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.32 : 13,157.91 = 5,286.33 : x
2. Step 2: Convert to fraction form
   9,535.32/13,157.91 = 5,286.33/x
3. Step 3: Cross multiply
   9,535.32x = 13,157.91 × 5,286.33
4. Step 4: Simplify right side
   9,535.32x = 69,557,054.37
5. Step 5: Solve for x
   x = 69,557,054.37/9,535.32
6. Step 6: Final answer
   x = 7,294.67