Finding the Fourth Proportional to 14,078.45, 21,119.72 and 4,716.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,078.45 : 21,119.72 = 4,716.38 : x
2. Step 2: Convert to fraction form
   14,078.45/21,119.72 = 4,716.38/x
3. Step 3: Cross multiply
   14,078.45x = 21,119.72 × 4,716.38
4. Step 4: Simplify right side
   14,078.45x = 99,608,625.01
5. Step 5: Solve for x
   x = 99,608,625.01/14,078.45
6. Step 6: Final answer
   x = 7,075.26