Finding the Fourth Proportional to 23,442.72, 35,152.74 and 8,658.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,442.72 : 35,152.74 = 8,658.60 : x
2. Step 2: Convert to fraction form
   23,442.72/35,152.74 = 8,658.60/x
3. Step 3: Cross multiply
   23,442.72x = 35,152.74 × 8,658.60
4. Step 4: Simplify right side
   23,442.72x = 304,373,514.56
5. Step 5: Solve for x
   x = 304,373,514.56/23,442.72
6. Step 6: Final answer
   x = 12,983.71