Finding the Fourth Proportional to 23,188.34, 31,976.33 and 19,842.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,188.34 : 31,976.33 = 19,842.23 : x
2. Step 2: Convert to fraction form
   23,188.34/31,976.33 = 19,842.23/x
3. Step 3: Cross multiply
   23,188.34x = 31,976.33 × 19,842.23
4. Step 4: Simplify right side
   23,188.34x = 634,481,435.32
5. Step 5: Solve for x
   x = 634,481,435.32/23,188.34
6. Step 6: Final answer
   x = 27,362.10