Finding the Fourth Proportional to 22,114.45, 30,515.94 and 13,160.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,114.45 : 30,515.94 = 13,160.51 : x
2. Step 2: Convert to fraction form
   22,114.45/30,515.94 = 13,160.51/x
3. Step 3: Cross multiply
   22,114.45x = 30,515.94 × 13,160.51
4. Step 4: Simplify right side
   22,114.45x = 401,605,333.53
5. Step 5: Solve for x
   x = 401,605,333.53/22,114.45
6. Step 6: Final answer
   x = 18,160.31