Finding the Fourth Proportional to 9,434.79, 13,019.87 and 5,456.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,434.79 : 13,019.87 = 5,456.27 : x
2. Step 2: Convert to fraction form
   9,434.79/13,019.87 = 5,456.27/x
3. Step 3: Cross multiply
   9,434.79x = 13,019.87 × 5,456.27
4. Step 4: Simplify right side
   9,434.79x = 71,039,972.28
5. Step 5: Solve for x
   x = 71,039,972.28/9,434.79
6. Step 6: Final answer
   x = 7,529.58