Finding the Fourth Proportional to 22,139.01, 30,549.38 and 13,185.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,139.01 : 30,549.38 = 13,185.27 : x
2. Step 2: Convert to fraction form
   22,139.01/30,549.38 = 13,185.27/x
3. Step 3: Cross multiply
   22,139.01x = 30,549.38 × 13,185.27
4. Step 4: Simplify right side
   22,139.01x = 402,801,757.71
5. Step 5: Solve for x
   x = 402,801,757.71/22,139.01
6. Step 6: Final answer
   x = 18,194.21