Finding the Fourth Proportional to 22,209, 30,661.76 and 13,836.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,209 : 30,661.76 = 13,836.84 : x
2. Step 2: Convert to fraction form
   22,209/30,661.76 = 13,836.84/x
3. Step 3: Cross multiply
   22,209x = 30,661.76 × 13,836.84
4. Step 4: Simplify right side
   22,209x = 424,261,867.24
5. Step 5: Solve for x
   x = 424,261,867.24/22,209
6. Step 6: Final answer
   x = 19,103.15