Finding the Fourth Proportional to 11,325.60, 15,644.28 and 9,443.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,325.60 : 15,644.28 = 9,443.34 : x
2. Step 2: Convert to fraction form
   11,325.60/15,644.28 = 9,443.34/x
3. Step 3: Cross multiply
   11,325.60x = 15,644.28 × 9,443.34
4. Step 4: Simplify right side
   11,325.60x = 147,734,255.10
5. Step 5: Solve for x
   x = 147,734,255.10/11,325.60
6. Step 6: Final answer
   x = 13,044.28