Finding the Fourth Proportional to 10,433.31, 15,574.17 and 9,662.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.31 : 15,574.17 = 9,662.39 : x
2. Step 2: Convert to fraction form
   10,433.31/15,574.17 = 9,662.39/x
3. Step 3: Cross multiply
   10,433.31x = 15,574.17 × 9,662.39
4. Step 4: Simplify right side
   10,433.31x = 150,483,721.23
5. Step 5: Solve for x
   x = 150,483,721.23/10,433.31
6. Step 6: Final answer
   x = 14,423.40