Finding the Fourth Proportional to 23,626.96, 32,606.04 and 13,017.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,626.96 : 32,606.04 = 13,017.40 : x
2. Step 2: Convert to fraction form
   23,626.96/32,606.04 = 13,017.40/x
3. Step 3: Cross multiply
   23,626.96x = 32,606.04 × 13,017.40
4. Step 4: Simplify right side
   23,626.96x = 424,445,865.10
5. Step 5: Solve for x
   x = 424,445,865.10/23,626.96
6. Step 6: Final answer
   x = 17,964.47