Finding the Fourth Proportional to 19,796.38, 29,689.38 and 7,319.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,796.38 : 29,689.38 = 7,319.98 : x
2. Step 2: Convert to fraction form
   19,796.38/29,689.38 = 7,319.98/x
3. Step 3: Cross multiply
   19,796.38x = 29,689.38 × 7,319.98
4. Step 4: Simplify right side
   19,796.38x = 217,325,667.81
5. Step 5: Solve for x
   x = 217,325,667.81/19,796.38
6. Step 6: Final answer
   x = 10,978.05