Finding the Fourth Proportional to 23,976.44, 35,964.72 and 8,390.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,976.44 : 35,964.72 = 8,390.42 : x
2. Step 2: Convert to fraction form
   23,976.44/35,964.72 = 8,390.42/x
3. Step 3: Cross multiply
   23,976.44x = 35,964.72 × 8,390.42
4. Step 4: Simplify right side
   23,976.44x = 301,758,926.16
5. Step 5: Solve for x
   x = 301,758,926.16/23,976.44
6. Step 6: Final answer
   x = 12,585.65