Finding the Fourth Proportional to 23,477.45, 32,399.69 and 12,866.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,477.45 : 32,399.69 = 12,866.99 : x
2. Step 2: Convert to fraction form
   23,477.45/32,399.69 = 12,866.99/x
3. Step 3: Cross multiply
   23,477.45x = 32,399.69 × 12,866.99
4. Step 4: Simplify right side
   23,477.45x = 416,886,260.90
5. Step 5: Solve for x
   x = 416,886,260.90/23,477.45
6. Step 6: Final answer
   x = 17,756.88