Finding the Fourth Proportional to 22,386.14, 30,892.20 and 12,314.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,386.14 : 30,892.20 = 12,314.57 : x
2. Step 2: Convert to fraction form
   22,386.14/30,892.20 = 12,314.57/x
3. Step 3: Cross multiply
   22,386.14x = 30,892.20 × 12,314.57
4. Step 4: Simplify right side
   22,386.14x = 380,424,004.89
5. Step 5: Solve for x
   x = 380,424,004.89/22,386.14
6. Step 6: Final answer
   x = 16,993.73