Finding the Fourth Proportional to 9,604.56, 13,254.72 and 5,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,604.56 : 13,254.72 = 5,412.72 : x
2. Step 2: Convert to fraction form
   9,604.56/13,254.72 = 5,412.72/x
3. Step 3: Cross multiply
   9,604.56x = 13,254.72 × 5,412.72
4. Step 4: Simplify right side
   9,604.56x = 71,744,088.04
5. Step 5: Solve for x
   x = 71,744,088.04/9,604.56
6. Step 6: Final answer
   x = 7,469.79