Finding the Fourth Proportional to 22,279.96, 30,756.56 and 19,243

Step by Step Solution

1. Step 1: Write the proportion equation
   22,279.96 : 30,756.56 = 19,243 : x
2. Step 2: Convert to fraction form
   22,279.96/30,756.56 = 19,243/x
3. Step 3: Cross multiply
   22,279.96x = 30,756.56 × 19,243
4. Step 4: Simplify right side
   22,279.96x = 591,848,484.08
5. Step 5: Solve for x
   x = 591,848,484.08/22,279.96
6. Step 6: Final answer
   x = 26,564.16