Finding the Fourth Proportional to 23,408.81, 35,105.90 and 7,822.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,408.81 : 35,105.90 = 7,822.79 : x
2. Step 2: Convert to fraction form
   23,408.81/35,105.90 = 7,822.79/x
3. Step 3: Cross multiply
   23,408.81x = 35,105.90 × 7,822.79
4. Step 4: Simplify right side
   23,408.81x = 274,625,868.82
5. Step 5: Solve for x
   x = 274,625,868.82/23,408.81
6. Step 6: Final answer
   x = 11,731.73