Finding the Fourth Proportional to 22,339.56, 30,818.76 and 13,839.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,339.56 : 30,818.76 = 13,839.42 : x
2. Step 2: Convert to fraction form
   22,339.56/30,818.76 = 13,839.42/x
3. Step 3: Cross multiply
   22,339.56x = 30,818.76 × 13,839.42
4. Step 4: Simplify right side
   22,339.56x = 426,513,763.52
5. Step 5: Solve for x
   x = 426,513,763.52/22,339.56
6. Step 6: Final answer
   x = 19,092.31