Finding the Fourth Proportional to 21,003.33, 31,494.29 and 6,958.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,003.33 : 31,494.29 = 6,958.29 : x
2. Step 2: Convert to fraction form
   21,003.33/31,494.29 = 6,958.29/x
3. Step 3: Cross multiply
   21,003.33x = 31,494.29 × 6,958.29
4. Step 4: Simplify right side
   21,003.33x = 219,146,368.37
5. Step 5: Solve for x
   x = 219,146,368.37/21,003.33
6. Step 6: Final answer
   x = 10,433.89