Finding the Fourth Proportional to 9,486.72, 13,091.76 and 5,508

Step by Step Solution

1. Step 1: Write the proportion equation
   9,486.72 : 13,091.76 = 5,508 : x
2. Step 2: Convert to fraction form
   9,486.72/13,091.76 = 5,508/x
3. Step 3: Cross multiply
   9,486.72x = 13,091.76 × 5,508
4. Step 4: Simplify right side
   9,486.72x = 72,109,414.08
5. Step 5: Solve for x
   x = 72,109,414.08/9,486.72
6. Step 6: Final answer
   x = 7,601.09