Finding the Fourth Proportional to 22,404.39, 30,916.26 and 12,973.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,404.39 : 30,916.26 = 12,973.56 : x
2. Step 2: Convert to fraction form
   22,404.39/30,916.26 = 12,973.56/x
3. Step 3: Cross multiply
   22,404.39x = 30,916.26 × 12,973.56
4. Step 4: Simplify right side
   22,404.39x = 401,093,954.09
5. Step 5: Solve for x
   x = 401,093,954.09/22,404.39
6. Step 6: Final answer
   x = 17,902.47