Finding the Fourth Proportional to 23,399.01, 32,290.65 and 12,788.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,399.01 : 32,290.65 = 12,788.64 : x
2. Step 2: Convert to fraction form
   23,399.01/32,290.65 = 12,788.64/x
3. Step 3: Cross multiply
   23,399.01x = 32,290.65 × 12,788.64
4. Step 4: Simplify right side
   23,399.01x = 412,953,498.22
5. Step 5: Solve for x
   x = 412,953,498.22/23,399.01
6. Step 6: Final answer
   x = 17,648.33