Finding the Fourth Proportional to 19,882.89, 29,817.93 and 8,789.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,882.89 : 29,817.93 = 8,789.31 : x
2. Step 2: Convert to fraction form
   19,882.89/29,817.93 = 8,789.31/x
3. Step 3: Cross multiply
   19,882.89x = 29,817.93 × 8,789.31
4. Step 4: Simplify right side
   19,882.89x = 262,079,030.33
5. Step 5: Solve for x
   x = 262,079,030.33/19,882.89
6. Step 6: Final answer
   x = 13,181.13