Finding the Fourth Proportional to 22,222.84, 30,667.54 and 12,791.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,222.84 : 30,667.54 = 12,791.41 : x
2. Step 2: Convert to fraction form
   22,222.84/30,667.54 = 12,791.41/x
3. Step 3: Cross multiply
   22,222.84x = 30,667.54 × 12,791.41
4. Step 4: Simplify right side
   22,222.84x = 392,281,077.83
5. Step 5: Solve for x
   x = 392,281,077.83/22,222.84
6. Step 6: Final answer
   x = 17,652.16