Finding the Fourth Proportional to 9,491.68, 13,098.72 and 5,300.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,491.68 : 13,098.72 = 5,300.20 : x
2. Step 2: Convert to fraction form
   9,491.68/13,098.72 = 5,300.20/x
3. Step 3: Cross multiply
   9,491.68x = 13,098.72 × 5,300.20
4. Step 4: Simplify right side
   9,491.68x = 69,425,835.74
5. Step 5: Solve for x
   x = 69,425,835.74/9,491.68
6. Step 6: Final answer
   x = 7,314.39