Finding the Fourth Proportional to 23,308.80, 32,166.30 and 12,698.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,308.80 : 32,166.30 = 12,698.34 : x
2. Step 2: Convert to fraction form
   23,308.80/32,166.30 = 12,698.34/x
3. Step 3: Cross multiply
   23,308.80x = 32,166.30 × 12,698.34
4. Step 4: Simplify right side
   23,308.80x = 408,458,613.94
5. Step 5: Solve for x
   x = 408,458,613.94/23,308.80
6. Step 6: Final answer
   x = 17,523.79