Finding the Fourth Proportional to 23,624, 32,605.44 and 13,688

Step by Step Solution

1. Step 1: Write the proportion equation
   23,624 : 32,605.44 = 13,688 : x
2. Step 2: Convert to fraction form
   23,624/32,605.44 = 13,688/x
3. Step 3: Cross multiply
   23,624x = 32,605.44 × 13,688
4. Step 4: Simplify right side
   23,624x = 446,303,262.72
5. Step 5: Solve for x
   x = 446,303,262.72/23,624
6. Step 6: Final answer
   x = 18,891.94