Finding the Fourth Proportional to 9,128.02, 12,597.12 and 5,351.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,128.02 : 12,597.12 = 5,351.14 : x
2. Step 2: Convert to fraction form
   9,128.02/12,597.12 = 5,351.14/x
3. Step 3: Cross multiply
   9,128.02x = 12,597.12 × 5,351.14
4. Step 4: Simplify right side
   9,128.02x = 67,408,952.72
5. Step 5: Solve for x
   x = 67,408,952.72/9,128.02
6. Step 6: Final answer
   x = 7,384.84