Finding the Fourth Proportional to 9,491.53, 13,097.42 and 5,512.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,491.53 : 13,097.42 = 5,512.56 : x
2. Step 2: Convert to fraction form
   9,491.53/13,097.42 = 5,512.56/x
3. Step 3: Cross multiply
   9,491.53x = 13,097.42 × 5,512.56
4. Step 4: Simplify right side
   9,491.53x = 72,200,313.60
5. Step 5: Solve for x
   x = 72,200,313.60/9,491.53
6. Step 6: Final answer
   x = 7,606.82