Finding the Fourth Proportional to 23,720.10, 32,734.72 and 13,648.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,720.10 : 32,734.72 = 13,648.56 : x
2. Step 2: Convert to fraction form
   23,720.10/32,734.72 = 13,648.56/x
3. Step 3: Cross multiply
   23,720.10x = 32,734.72 × 13,648.56
4. Step 4: Simplify right side
   23,720.10x = 446,781,790.00
5. Step 5: Solve for x
   x = 446,781,790.00/23,720.10
6. Step 6: Final answer
   x = 18,835.58