Finding the Fourth Proportional to 23,859, 32,926.50 and 13,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,859 : 32,926.50 = 13,788.72 : x
2. Step 2: Convert to fraction form
   23,859/32,926.50 = 13,788.72/x
3. Step 3: Cross multiply
   23,859x = 32,926.50 × 13,788.72
4. Step 4: Simplify right side
   23,859x = 454,014,289.08
5. Step 5: Solve for x
   x = 454,014,289.08/23,859
6. Step 6: Final answer
   x = 19,029.06