Finding the Fourth Proportional to 23,439.57, 35,164.05 and 8,648.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,439.57 : 35,164.05 = 8,648.55 : x
2. Step 2: Convert to fraction form
   23,439.57/35,164.05 = 8,648.55/x
3. Step 3: Cross multiply
   23,439.57x = 35,164.05 × 8,648.55
4. Step 4: Simplify right side
   23,439.57x = 304,118,044.63
5. Step 5: Solve for x
   x = 304,118,044.63/23,439.57
6. Step 6: Final answer
   x = 12,974.56