Finding the Fourth Proportional to 23,429.90, 32,332.83 and 12,819.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,429.90 : 32,332.83 = 12,819.29 : x
2. Step 2: Convert to fraction form
   23,429.90/32,332.83 = 12,819.29/x
3. Step 3: Cross multiply
   23,429.90x = 32,332.83 × 12,819.29
4. Step 4: Simplify right side
   23,429.90x = 414,483,924.29
5. Step 5: Solve for x
   x = 414,483,924.29/23,429.90
6. Step 6: Final answer
   x = 17,690.38