Finding the Fourth Proportional to 23,243, 34,990.98 and 21,176.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,243 : 34,990.98 = 21,176.29 : x
2. Step 2: Convert to fraction form
   23,243/34,990.98 = 21,176.29/x
3. Step 3: Cross multiply
   23,243x = 34,990.98 × 21,176.29
4. Step 4: Simplify right side
   23,243x = 740,978,859.03
5. Step 5: Solve for x
   x = 740,978,859.03/23,243
6. Step 6: Final answer
   x = 31,879.66