Finding the Fourth Proportional to 9,459.63, 13,052.57 and 5,479.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459.63 : 13,052.57 = 5,479.29 : x
2. Step 2: Convert to fraction form
   9,459.63/13,052.57 = 5,479.29/x
3. Step 3: Cross multiply
   9,459.63x = 13,052.57 × 5,479.29
4. Step 4: Simplify right side
   9,459.63x = 71,518,788.88
5. Step 5: Solve for x
   x = 71,518,788.88/9,459.63
6. Step 6: Final answer
   x = 7,560.42