Finding the Fourth Proportional to 10,443.12, 15,664.72 and 3,522.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.12 : 15,664.72 = 3,522.48 : x
2. Step 2: Convert to fraction form
   10,443.12/15,664.72 = 3,522.48/x
3. Step 3: Cross multiply
   10,443.12x = 15,664.72 × 3,522.48
4. Step 4: Simplify right side
   10,443.12x = 55,178,662.91
5. Step 5: Solve for x
   x = 55,178,662.91/10,443.12
6. Step 6: Final answer
   x = 5,283.73