Finding the Fourth Proportional to 23,830.29, 32,885.31 and 13,219.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,830.29 : 32,885.31 = 13,219.68 : x
2. Step 2: Convert to fraction form
   23,830.29/32,885.31 = 13,219.68/x
3. Step 3: Cross multiply
   23,830.29x = 32,885.31 × 13,219.68
4. Step 4: Simplify right side
   23,830.29x = 434,733,274.90
5. Step 5: Solve for x
   x = 434,733,274.90/23,830.29
6. Step 6: Final answer
   x = 18,242.89