Finding the Fourth Proportional to 23,686.88, 35,535.78 and 8,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,686.88 : 35,535.78 = 8,104.50 : x
2. Step 2: Convert to fraction form
   23,686.88/35,535.78 = 8,104.50/x
3. Step 3: Cross multiply
   23,686.88x = 35,535.78 × 8,104.50
4. Step 4: Simplify right side
   23,686.88x = 287,999,729.01
5. Step 5: Solve for x
   x = 287,999,729.01/23,686.88
6. Step 6: Final answer
   x = 12,158.62