Finding the Fourth Proportional to 9,599.76, 13,247.55 and 5,408.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,599.76 : 13,247.55 = 5,408.02 : x
2. Step 2: Convert to fraction form
   9,599.76/13,247.55 = 5,408.02/x
3. Step 3: Cross multiply
   9,599.76x = 13,247.55 × 5,408.02
4. Step 4: Simplify right side
   9,599.76x = 71,643,015.35
5. Step 5: Solve for x
   x = 71,643,015.35/9,599.76
6. Step 6: Final answer
   x = 7,463.00