Finding the Fourth Proportional to 23,290.62, 32,141.06 and 12,680.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.62 : 32,141.06 = 12,680.25 : x
2. Step 2: Convert to fraction form
   23,290.62/32,141.06 = 12,680.25/x
3. Step 3: Cross multiply
   23,290.62x = 32,141.06 × 12,680.25
4. Step 4: Simplify right side
   23,290.62x = 407,556,612.66
5. Step 5: Solve for x
   x = 407,556,612.66/23,290.62
6. Step 6: Final answer
   x = 17,498.74