Finding the Fourth Proportional to 23,371.61, 35,036.60 and 8,577.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,371.61 : 35,036.60 = 8,577.09 : x
2. Step 2: Convert to fraction form
   23,371.61/35,036.60 = 8,577.09/x
3. Step 3: Cross multiply
   23,371.61x = 35,036.60 × 8,577.09
4. Step 4: Simplify right side
   23,371.61x = 300,512,028.61
5. Step 5: Solve for x
   x = 300,512,028.61/23,371.61
6. Step 6: Final answer
   x = 12,858.00