Finding the Fourth Proportional to 22,214.89, 30,659.25 and 12,783.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,214.89 : 30,659.25 = 12,783.25 : x
2. Step 2: Convert to fraction form
   22,214.89/30,659.25 = 12,783.25/x
3. Step 3: Cross multiply
   22,214.89x = 30,659.25 × 12,783.25
4. Step 4: Simplify right side
   22,214.89x = 391,924,857.56
5. Step 5: Solve for x
   x = 391,924,857.56/22,214.89
6. Step 6: Final answer
   x = 17,642.44