Finding the Fourth Proportional to 22,194.31, 30,624.51 and 13,118.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,194.31 : 30,624.51 = 13,118.41 : x
2. Step 2: Convert to fraction form
   22,194.31/30,624.51 = 13,118.41/x
3. Step 3: Cross multiply
   22,194.31x = 30,624.51 × 13,118.41
4. Step 4: Simplify right side
   22,194.31x = 401,744,878.23
5. Step 5: Solve for x
   x = 401,744,878.23/22,194.31
6. Step 6: Final answer
   x = 18,101.26