Finding the Fourth Proportional to 9,697.02, 13,382.01 and 9,361.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697.02 : 13,382.01 = 9,361.76 : x
2. Step 2: Convert to fraction form
   9,697.02/13,382.01 = 9,361.76/x
3. Step 3: Cross multiply
   9,697.02x = 13,382.01 × 9,361.76
4. Step 4: Simplify right side
   9,697.02x = 125,279,099.03
5. Step 5: Solve for x
   x = 125,279,099.03/9,697.02
6. Step 6: Final answer
   x = 12,919.34