Finding the Fourth Proportional to 23,786.63, 35,678.57 and 7,146.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,786.63 : 35,678.57 = 7,146.29 : x
2. Step 2: Convert to fraction form
   23,786.63/35,678.57 = 7,146.29/x
3. Step 3: Cross multiply
   23,786.63x = 35,678.57 × 7,146.29
4. Step 4: Simplify right side
   23,786.63x = 254,969,408.01
5. Step 5: Solve for x
   x = 254,969,408.01/23,786.63
6. Step 6: Final answer
   x = 10,719.02