Finding the Fourth Proportional to 23,661.72, 32,653.40 and 13,051.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,661.72 : 32,653.40 = 13,051.72 : x
2. Step 2: Convert to fraction form
   23,661.72/32,653.40 = 13,051.72/x
3. Step 3: Cross multiply
   23,661.72x = 32,653.40 × 13,051.72
4. Step 4: Simplify right side
   23,661.72x = 426,183,033.85
5. Step 5: Solve for x
   x = 426,183,033.85/23,661.72
6. Step 6: Final answer
   x = 18,011.50