Finding the Fourth Proportional to 23,627.64, 32,606.56 and 13,017.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,627.64 : 32,606.56 = 13,017.20 : x
2. Step 2: Convert to fraction form
   23,627.64/32,606.56 = 13,017.20/x
3. Step 3: Cross multiply
   23,627.64x = 32,606.56 × 13,017.20
4. Step 4: Simplify right side
   23,627.64x = 424,446,112.83
5. Step 5: Solve for x
   x = 424,446,112.83/23,627.64
6. Step 6: Final answer
   x = 17,963.97