Finding the Fourth Proportional to 9,488.01, 13,097.14 and 8,491.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.01 : 13,097.14 = 8,491.56 : x
2. Step 2: Convert to fraction form
   9,488.01/13,097.14 = 8,491.56/x
3. Step 3: Cross multiply
   9,488.01x = 13,097.14 × 8,491.56
4. Step 4: Simplify right side
   9,488.01x = 111,215,105.88
5. Step 5: Solve for x
   x = 111,215,105.88/9,488.01
6. Step 6: Final answer
   x = 11,721.65