Finding the Fourth Proportional to 6,900.16, 9,522.24 and 4,105.60

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.16 : 9,522.24 = 4,105.60 : x
2. Step 2: Convert to fraction form
   6,900.16/9,522.24 = 4,105.60/x
3. Step 3: Cross multiply
   6,900.16x = 9,522.24 × 4,105.60
4. Step 4: Simplify right side
   6,900.16x = 39,094,508.54
5. Step 5: Solve for x
   x = 39,094,508.54/6,900.16
6. Step 6: Final answer
   x = 5,665.74