Finding the Fourth Proportional to 16,076.17, 22,190.93 and 13,086.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,076.17 : 22,190.93 = 13,086.81 : x
2. Step 2: Convert to fraction form
   16,076.17/22,190.93 = 13,086.81/x
3. Step 3: Cross multiply
   16,076.17x = 22,190.93 × 13,086.81
4. Step 4: Simplify right side
   16,076.17x = 290,408,551.49
5. Step 5: Solve for x
   x = 290,408,551.49/16,076.17
6. Step 6: Final answer
   x = 18,064.54