Finding the Fourth Proportional to 6,900.31, 9,522.47 and 3,756.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.31 : 9,522.47 = 3,756.50 : x
2. Step 2: Convert to fraction form
   6,900.31/9,522.47 = 3,756.50/x
3. Step 3: Cross multiply
   6,900.31x = 9,522.47 × 3,756.50
4. Step 4: Simplify right side
   6,900.31x = 35,771,158.56
5. Step 5: Solve for x
   x = 35,771,158.56/6,900.31
6. Step 6: Final answer
   x = 5,183.99