Finding the Fourth Proportional to 6,900.12, 9,522.17 and 3,756.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.12 : 9,522.17 = 3,756.31 : x
2. Step 2: Convert to fraction form
   6,900.12/9,522.17 = 3,756.31/x
3. Step 3: Cross multiply
   6,900.12x = 9,522.17 × 3,756.31
4. Step 4: Simplify right side
   6,900.12x = 35,768,189.20
5. Step 5: Solve for x
   x = 35,768,189.20/6,900.12
6. Step 6: Final answer
   x = 5,183.71