Finding the Fourth Proportional to 22,225.82, 30,679.36 and 12,798.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,225.82 : 30,679.36 = 12,798.14 : x
2. Step 2: Convert to fraction form
   22,225.82/30,679.36 = 12,798.14/x
3. Step 3: Cross multiply
   22,225.82x = 30,679.36 × 12,798.14
4. Step 4: Simplify right side
   22,225.82x = 392,638,744.39
5. Step 5: Solve for x
   x = 392,638,744.39/22,225.82
6. Step 6: Final answer
   x = 17,665.88