Finding the Fourth Proportional to 23,255.91, 32,091.93 and 12,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,255.91 : 32,091.93 = 12,645.50 : x
2. Step 2: Convert to fraction form
   23,255.91/32,091.93 = 12,645.50/x
3. Step 3: Cross multiply
   23,255.91x = 32,091.93 × 12,645.50
4. Step 4: Simplify right side
   23,255.91x = 405,818,340.36
5. Step 5: Solve for x
   x = 405,818,340.36/23,255.91
6. Step 6: Final answer
   x = 17,450.12