Finding the Fourth Proportional to 22,419.41, 30,938.54 and 12,347.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,419.41 : 30,938.54 = 12,347.69 : x
2. Step 2: Convert to fraction form
   22,419.41/30,938.54 = 12,347.69/x
3. Step 3: Cross multiply
   22,419.41x = 30,938.54 × 12,347.69
4. Step 4: Simplify right side
   22,419.41x = 382,019,284.54
5. Step 5: Solve for x
   x = 382,019,284.54/22,419.41
6. Step 6: Final answer
   x = 17,039.67