Finding the Fourth Proportional to 19,919.05, 29,863.18 and 10,053.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,919.05 : 29,863.18 = 10,053.25 : x
2. Step 2: Convert to fraction form
   19,919.05/29,863.18 = 10,053.25/x
3. Step 3: Cross multiply
   19,919.05x = 29,863.18 × 10,053.25
4. Step 4: Simplify right side
   19,919.05x = 300,222,014.34
5. Step 5: Solve for x
   x = 300,222,014.34/19,919.05
6. Step 6: Final answer
   x = 15,072.11