Finding the Fourth Proportional to 9,443.18, 13,031.24 and 5,251.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.18 : 13,031.24 = 5,251.34 : x
2. Step 2: Convert to fraction form
   9,443.18/13,031.24 = 5,251.34/x
3. Step 3: Cross multiply
   9,443.18x = 13,031.24 × 5,251.34
4. Step 4: Simplify right side
   9,443.18x = 68,431,471.86
5. Step 5: Solve for x
   x = 68,431,471.86/9,443.18
6. Step 6: Final answer
   x = 7,246.66