Finding the Fourth Proportional to 22,107.15, 30,498.83 and 13,606.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,107.15 : 30,498.83 = 13,606.70 : x
2. Step 2: Convert to fraction form
   22,107.15/30,498.83 = 13,606.70/x
3. Step 3: Cross multiply
   22,107.15x = 30,498.83 × 13,606.70
4. Step 4: Simplify right side
   22,107.15x = 414,988,209.63
5. Step 5: Solve for x
   x = 414,988,209.63/22,107.15
6. Step 6: Final answer
   x = 18,771.67