Finding the Fourth Proportional to 9,618.48, 14,434.56 and 3,775.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,618.48 : 14,434.56 = 3,775.09 : x
2. Step 2: Convert to fraction form
   9,618.48/14,434.56 = 3,775.09/x
3. Step 3: Cross multiply
   9,618.48x = 14,434.56 × 3,775.09
4. Step 4: Simplify right side
   9,618.48x = 54,491,763.11
5. Step 5: Solve for x
   x = 54,491,763.11/9,618.48
6. Step 6: Final answer
   x = 5,665.32