Finding the Fourth Proportional to 23,990.67, 33,096.42 and 13,913.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,990.67 : 33,096.42 = 13,913.28 : x
2. Step 2: Convert to fraction form
   23,990.67/33,096.42 = 13,913.28/x
3. Step 3: Cross multiply
   23,990.67x = 33,096.42 × 13,913.28
4. Step 4: Simplify right side
   23,990.67x = 460,479,758.46
5. Step 5: Solve for x
   x = 460,479,758.46/23,990.67
6. Step 6: Final answer
   x = 19,194.12