Finding the Fourth Proportional to 23,580.32, 32,540.84 and 12,969.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,580.32 : 32,540.84 = 12,969.88 : x
2. Step 2: Convert to fraction form
   23,580.32/32,540.84 = 12,969.88/x
3. Step 3: Cross multiply
   23,580.32x = 32,540.84 × 12,969.88
4. Step 4: Simplify right side
   23,580.32x = 422,050,789.90
5. Step 5: Solve for x
   x = 422,050,789.90/23,580.32
6. Step 6: Final answer
   x = 17,898.43