Finding the Fourth Proportional to 23,345.70, 32,216.85 and 12,735.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,345.70 : 32,216.85 = 12,735.09 : x
2. Step 2: Convert to fraction form
   23,345.70/32,216.85 = 12,735.09/x
3. Step 3: Cross multiply
   23,345.70x = 32,216.85 × 12,735.09
4. Step 4: Simplify right side
   23,345.70x = 410,284,484.27
5. Step 5: Solve for x
   x = 410,284,484.27/23,345.70
6. Step 6: Final answer
   x = 17,574.31