Finding the Fourth Proportional to 23,429.97, 32,333.40 and 12,819.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,429.97 : 32,333.40 = 12,819.60 : x
2. Step 2: Convert to fraction form
   23,429.97/32,333.40 = 12,819.60/x
3. Step 3: Cross multiply
   23,429.97x = 32,333.40 × 12,819.60
4. Step 4: Simplify right side
   23,429.97x = 414,501,254.64
5. Step 5: Solve for x
   x = 414,501,254.64/23,429.97
6. Step 6: Final answer
   x = 17,691.07