Finding the Fourth Proportional to 9,434.32, 13,019.28 and 5,242.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,434.32 : 13,019.28 = 5,242.48 : x
2. Step 2: Convert to fraction form
   9,434.32/13,019.28 = 5,242.48/x
3. Step 3: Cross multiply
   9,434.32x = 13,019.28 × 5,242.48
4. Step 4: Simplify right side
   9,434.32x = 68,253,315.01
5. Step 5: Solve for x
   x = 68,253,315.01/9,434.32
6. Step 6: Final answer
   x = 7,234.58