Finding the Fourth Proportional to 10,447.05, 14,408.89 and 7,260.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,447.05 : 14,408.89 = 7,260.31 : x
2. Step 2: Convert to fraction form
   10,447.05/14,408.89 = 7,260.31/x
3. Step 3: Cross multiply
   10,447.05x = 14,408.89 × 7,260.31
4. Step 4: Simplify right side
   10,447.05x = 104,613,008.02
5. Step 5: Solve for x
   x = 104,613,008.02/10,447.05
6. Step 6: Final answer
   x = 10,013.64