Finding the Fourth Proportional to 23,685.12, 35,525.52 and 8,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,685.12 : 35,525.52 = 8,100.96 : x
2. Step 2: Convert to fraction form
   23,685.12/35,525.52 = 8,100.96/x
3. Step 3: Cross multiply
   23,685.12x = 35,525.52 × 8,100.96
4. Step 4: Simplify right side
   23,685.12x = 287,790,816.50
5. Step 5: Solve for x
   x = 287,790,816.50/23,685.12
6. Step 6: Final answer
   x = 12,150.70