Finding the Fourth Proportional to 22,010.12, 32,998.78 and 13,243

Step by Step Solution

1. Step 1: Write the proportion equation
   22,010.12 : 32,998.78 = 13,243 : x
2. Step 2: Convert to fraction form
   22,010.12/32,998.78 = 13,243/x
3. Step 3: Cross multiply
   22,010.12x = 32,998.78 × 13,243
4. Step 4: Simplify right side
   22,010.12x = 437,002,843.54
5. Step 5: Solve for x
   x = 437,002,843.54/22,010.12
6. Step 6: Final answer
   x = 19,854.63