Finding the Fourth Proportional to 9,489.86, 13,097.13 and 5,458.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,489.86 : 13,097.13 = 5,458.22 : x
2. Step 2: Convert to fraction form
   9,489.86/13,097.13 = 5,458.22/x
3. Step 3: Cross multiply
   9,489.86x = 13,097.13 × 5,458.22
4. Step 4: Simplify right side
   9,489.86x = 71,487,016.91
5. Step 5: Solve for x
   x = 71,487,016.91/9,489.86
6. Step 6: Final answer
   x = 7,532.99