Finding the Fourth Proportional to 19,401.96, 29,105.72 and 6,918.24

Step by Step Solution

1. Step 1: Write the proportion equation
   19,401.96 : 29,105.72 = 6,918.24 : x
2. Step 2: Convert to fraction form
   19,401.96/29,105.72 = 6,918.24/x
3. Step 3: Cross multiply
   19,401.96x = 29,105.72 × 6,918.24
4. Step 4: Simplify right side
   19,401.96x = 201,360,356.33
5. Step 5: Solve for x
   x = 201,360,356.33/19,401.96
6. Step 6: Final answer
   x = 10,378.35