Finding the Fourth Proportional to 22,460.37, 30,995.54 and 12,389.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,460.37 : 30,995.54 = 12,389.18 : x
2. Step 2: Convert to fraction form
   22,460.37/30,995.54 = 12,389.18/x
3. Step 3: Cross multiply
   22,460.37x = 30,995.54 × 12,389.18
4. Step 4: Simplify right side
   22,460.37x = 384,009,324.26
5. Step 5: Solve for x
   x = 384,009,324.26/22,460.37
6. Step 6: Final answer
   x = 17,097.19