Finding the Fourth Proportional to 23,485.28, 32,409.82 and 12,730.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.28 : 32,409.82 = 12,730.18 : x
2. Step 2: Convert to fraction form
   23,485.28/32,409.82 = 12,730.18/x
3. Step 3: Cross multiply
   23,485.28x = 32,409.82 × 12,730.18
4. Step 4: Simplify right side
   23,485.28x = 412,582,842.37
5. Step 5: Solve for x
   x = 412,582,842.37/23,485.28
6. Step 6: Final answer
   x = 17,567.72