Finding the Fourth Proportional to 23,672, 32,671.68 and 13,736

Step by Step Solution

1. Step 1: Write the proportion equation
   23,672 : 32,671.68 = 13,736 : x
2. Step 2: Convert to fraction form
   23,672/32,671.68 = 13,736/x
3. Step 3: Cross multiply
   23,672x = 32,671.68 × 13,736
4. Step 4: Simplify right side
   23,672x = 448,778,196.48
5. Step 5: Solve for x
   x = 448,778,196.48/23,672
6. Step 6: Final answer
   x = 18,958.19