Finding the Fourth Proportional to 9,442.94, 13,031.61 and 5,251.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,442.94 : 13,031.61 = 5,251.46 : x
2. Step 2: Convert to fraction form
   9,442.94/13,031.61 = 5,251.46/x
3. Step 3: Cross multiply
   9,442.94x = 13,031.61 × 5,251.46
4. Step 4: Simplify right side
   9,442.94x = 68,434,978.65
5. Step 5: Solve for x
   x = 68,434,978.65/9,442.94
6. Step 6: Final answer
   x = 7,247.21