Finding the Fourth Proportional to 9,155.10, 13,729.09 and 3,150.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.10 : 13,729.09 = 3,150.03 : x
2. Step 2: Convert to fraction form
   9,155.10/13,729.09 = 3,150.03/x
3. Step 3: Cross multiply
   9,155.10x = 13,729.09 × 3,150.03
4. Step 4: Simplify right side
   9,155.10x = 43,247,045.37
5. Step 5: Solve for x
   x = 43,247,045.37/9,155.10
6. Step 6: Final answer
   x = 4,723.82