Finding the Fourth Proportional to 19,917.05, 29,860.18 and 10,051.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,917.05 : 29,860.18 = 10,051.25 : x
2. Step 2: Convert to fraction form
   19,917.05/29,860.18 = 10,051.25/x
3. Step 3: Cross multiply
   19,917.05x = 29,860.18 × 10,051.25
4. Step 4: Simplify right side
   19,917.05x = 300,131,959.80
5. Step 5: Solve for x
   x = 300,131,959.80/19,917.05
6. Step 6: Final answer
   x = 15,069.10