Finding the Fourth Proportional to 23,251.74, 32,087.31 and 12,641.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,251.74 : 32,087.31 = 12,641.40 : x
2. Step 2: Convert to fraction form
   23,251.74/32,087.31 = 12,641.40/x
3. Step 3: Cross multiply
   23,251.74x = 32,087.31 × 12,641.40
4. Step 4: Simplify right side
   23,251.74x = 405,628,520.63
5. Step 5: Solve for x
   x = 405,628,520.63/23,251.74
6. Step 6: Final answer
   x = 17,445.08