Finding the Fourth Proportional to 21,059.98, 31,591.38 and 7,019.44

Step by Step Solution

1. Step 1: Write the proportion equation
   21,059.98 : 31,591.38 = 7,019.44 : x
2. Step 2: Convert to fraction form
   21,059.98/31,591.38 = 7,019.44/x
3. Step 3: Cross multiply
   21,059.98x = 31,591.38 × 7,019.44
4. Step 4: Simplify right side
   21,059.98x = 221,753,796.43
5. Step 5: Solve for x
   x = 221,753,796.43/21,059.98
6. Step 6: Final answer
   x = 10,529.63