Finding the Fourth Proportional to 9,491.56, 13,098.86 and 5,513.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,491.56 : 13,098.86 = 5,513.92 : x
2. Step 2: Convert to fraction form
   9,491.56/13,098.86 = 5,513.92/x
3. Step 3: Cross multiply
   9,491.56x = 13,098.86 × 5,513.92
4. Step 4: Simplify right side
   9,491.56x = 72,226,066.13
5. Step 5: Solve for x
   x = 72,226,066.13/9,491.56
6. Step 6: Final answer
   x = 7,609.50