Finding the Fourth Proportional to 23,456.48, 35,159.88 and 8,453.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,456.48 : 35,159.88 = 8,453.60 : x
2. Step 2: Convert to fraction form
   23,456.48/35,159.88 = 8,453.60/x
3. Step 3: Cross multiply
   23,456.48x = 35,159.88 × 8,453.60
4. Step 4: Simplify right side
   23,456.48x = 297,227,561.57
5. Step 5: Solve for x
   x = 297,227,561.57/23,456.48
6. Step 6: Final answer
   x = 12,671.45