Finding the Fourth Proportional to 9,436.83, 13,022.55 and 5,458.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.83 : 13,022.55 = 5,458.65 : x
2. Step 2: Convert to fraction form
   9,436.83/13,022.55 = 5,458.65/x
3. Step 3: Cross multiply
   9,436.83x = 13,022.55 × 5,458.65
4. Step 4: Simplify right side
   9,436.83x = 71,085,542.56
5. Step 5: Solve for x
   x = 71,085,542.56/9,436.83
6. Step 6: Final answer
   x = 7,532.78