Finding the Fourth Proportional to 9,483.72, 13,086.36 and 5,504.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.72 : 13,086.36 = 5,504.64 : x
2. Step 2: Convert to fraction form
   9,483.72/13,086.36 = 5,504.64/x
3. Step 3: Cross multiply
   9,483.72x = 13,086.36 × 5,504.64
4. Step 4: Simplify right side
   9,483.72x = 72,035,700.71
5. Step 5: Solve for x
   x = 72,035,700.71/9,483.72
6. Step 6: Final answer
   x = 7,595.72