Finding the Fourth Proportional to 9,491.74, 13,097.63 and 5,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,491.74 : 13,097.63 = 5,513.69 : x
2. Step 2: Convert to fraction form
   9,491.74/13,097.63 = 5,513.69/x
3. Step 3: Cross multiply
   9,491.74x = 13,097.63 × 5,513.69
4. Step 4: Simplify right side
   9,491.74x = 72,216,243.99
5. Step 5: Solve for x
   x = 72,216,243.99/9,491.74
6. Step 6: Final answer
   x = 7,608.33