Finding the Fourth Proportional to 19,404.89, 26,796.23 and 12,247.47

Step by Step Solution

1. Step 1: Write the proportion equation
   19,404.89 : 26,796.23 = 12,247.47 : x
2. Step 2: Convert to fraction form
   19,404.89/26,796.23 = 12,247.47/x
3. Step 3: Cross multiply
   19,404.89x = 26,796.23 × 12,247.47
4. Step 4: Simplify right side
   19,404.89x = 328,186,023.04
5. Step 5: Solve for x
   x = 328,186,023.04/19,404.89
6. Step 6: Final answer
   x = 16,912.54