Finding the Fourth Proportional to 22,182.43, 30,607.18 and 12,749.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,182.43 : 30,607.18 = 12,749.17 : x
2. Step 2: Convert to fraction form
   22,182.43/30,607.18 = 12,749.17/x
3. Step 3: Cross multiply
   22,182.43x = 30,607.18 × 12,749.17
4. Step 4: Simplify right side
   22,182.43x = 390,216,141.04
5. Step 5: Solve for x
   x = 390,216,141.04/22,182.43
6. Step 6: Final answer
   x = 17,591.23