Finding the Fourth Proportional to 23,643.07, 32,627.04 and 12,888.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,643.07 : 32,627.04 = 12,888.06 : x
2. Step 2: Convert to fraction form
   23,643.07/32,627.04 = 12,888.06/x
3. Step 3: Cross multiply
   23,643.07x = 32,627.04 × 12,888.06
4. Step 4: Simplify right side
   23,643.07x = 420,499,078.46
5. Step 5: Solve for x
   x = 420,499,078.46/23,643.07
6. Step 6: Final answer
   x = 17,785.30