Finding the Fourth Proportional to 7,142.06, 10,697.46 and 4,360.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,142.06 : 10,697.46 = 4,360.28 : x
2. Step 2: Convert to fraction form
   7,142.06/10,697.46 = 4,360.28/x
3. Step 3: Cross multiply
   7,142.06x = 10,697.46 × 4,360.28
4. Step 4: Simplify right side
   7,142.06x = 46,643,920.89
5. Step 5: Solve for x
   x = 46,643,920.89/7,142.06
6. Step 6: Final answer
   x = 6,530.88