Finding the Fourth Proportional to 7,308.36, 10,939.89 and 5,910.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,308.36 : 10,939.89 = 5,910.03 : x
2. Step 2: Convert to fraction form
   7,308.36/10,939.89 = 5,910.03/x
3. Step 3: Cross multiply
   7,308.36x = 10,939.89 × 5,910.03
4. Step 4: Simplify right side
   7,308.36x = 64,655,078.10
5. Step 5: Solve for x
   x = 64,655,078.10/7,308.36
6. Step 6: Final answer
   x = 8,846.73