Finding the Fourth Proportional to 9,437.15, 13,022.46 and 5,458.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,437.15 : 13,022.46 = 5,458.49 : x
2. Step 2: Convert to fraction form
   9,437.15/13,022.46 = 5,458.49/x
3. Step 3: Cross multiply
   9,437.15x = 13,022.46 × 5,458.49
4. Step 4: Simplify right side
   9,437.15x = 71,082,967.69
5. Step 5: Solve for x
   x = 71,082,967.69/9,437.15
6. Step 6: Final answer
   x = 7,532.25