Finding the Fourth Proportional to 22,139, 30,555.30 and 14,180.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,139 : 30,555.30 = 14,180.84 : x
2. Step 2: Convert to fraction form
   22,139/30,555.30 = 14,180.84/x
3. Step 3: Cross multiply
   22,139x = 30,555.30 × 14,180.84
4. Step 4: Simplify right side
   22,139x = 433,299,820.45
5. Step 5: Solve for x
   x = 433,299,820.45/22,139
6. Step 6: Final answer
   x = 19,571.79