Finding the Fourth Proportional to 23,861.28, 32,929.56 and 13,251

Step by Step Solution

1. Step 1: Write the proportion equation
   23,861.28 : 32,929.56 = 13,251 : x
2. Step 2: Convert to fraction form
   23,861.28/32,929.56 = 13,251/x
3. Step 3: Cross multiply
   23,861.28x = 32,929.56 × 13,251
4. Step 4: Simplify right side
   23,861.28x = 436,349,599.56
5. Step 5: Solve for x
   x = 436,349,599.56/23,861.28
6. Step 6: Final answer
   x = 18,286.93