Finding the Fourth Proportional to 9,201.02, 12,697.71 and 5,168.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,201.02 : 12,697.71 = 5,168.55 : x
2. Step 2: Convert to fraction form
   9,201.02/12,697.71 = 5,168.55/x
3. Step 3: Cross multiply
   9,201.02x = 12,697.71 × 5,168.55
4. Step 4: Simplify right side
   9,201.02x = 65,628,749.02
5. Step 5: Solve for x
   x = 65,628,749.02/9,201.02
6. Step 6: Final answer
   x = 7,132.77