Finding the Fourth Proportional to 23,990.00, 33,097.28 and 13,912.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,990.00 : 33,097.28 = 13,912.79 : x
2. Step 2: Convert to fraction form
   23,990.00/33,097.28 = 13,912.79/x
3. Step 3: Cross multiply
   23,990.00x = 33,097.28 × 13,912.79
4. Step 4: Simplify right side
   23,990.00x = 460,475,271.16
5. Step 5: Solve for x
   x = 460,475,271.16/23,990.00
6. Step 6: Final answer
   x = 19,194.47