Finding the Fourth Proportional to 22,105.71, 30,494.48 and 13,707.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.71 : 30,494.48 = 13,707.63 : x
2. Step 2: Convert to fraction form
   22,105.71/30,494.48 = 13,707.63/x
3. Step 3: Cross multiply
   22,105.71x = 30,494.48 × 13,707.63
4. Step 4: Simplify right side
   22,105.71x = 418,006,980.34
5. Step 5: Solve for x
   x = 418,006,980.34/22,105.71
6. Step 6: Final answer
   x = 18,909.46