Finding the Fourth Proportional to 9,434.24, 13,019.16 and 5,185.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,434.24 : 13,019.16 = 5,185.34 : x
2. Step 2: Convert to fraction form
   9,434.24/13,019.16 = 5,185.34/x
3. Step 3: Cross multiply
   9,434.24x = 13,019.16 × 5,185.34
4. Step 4: Simplify right side
   9,434.24x = 67,508,771.11
5. Step 5: Solve for x
   x = 67,508,771.11/9,434.24
6. Step 6: Final answer
   x = 7,155.72