Finding the Fourth Proportional to 23,290.52, 32,141.34 and 12,680.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.52 : 32,141.34 = 12,680.32 : x
2. Step 2: Convert to fraction form
   23,290.52/32,141.34 = 12,680.32/x
3. Step 3: Cross multiply
   23,290.52x = 32,141.34 × 12,680.32
4. Step 4: Simplify right side
   23,290.52x = 407,562,476.43
5. Step 5: Solve for x
   x = 407,562,476.43/23,290.52
6. Step 6: Final answer
   x = 17,499.07