Finding the Fourth Proportional to 23,469.40, 32,387.04 and 12,858.84

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469.40 : 32,387.04 = 12,858.84 : x
2. Step 2: Convert to fraction form
   23,469.40/32,387.04 = 12,858.84/x
3. Step 3: Cross multiply
   23,469.40x = 32,387.04 × 12,858.84
4. Step 4: Simplify right side
   23,469.40x = 416,459,765.43
5. Step 5: Solve for x
   x = 416,459,765.43/23,469.40
6. Step 6: Final answer
   x = 17,744.80