Finding the Fourth Proportional to 19,897.83, 27,458.42 and 10,945.33

Step by Step Solution

1. Step 1: Write the proportion equation
   19,897.83 : 27,458.42 = 10,945.33 : x
2. Step 2: Convert to fraction form
   19,897.83/27,458.42 = 10,945.33/x
3. Step 3: Cross multiply
   19,897.83x = 27,458.42 × 10,945.33
4. Step 4: Simplify right side
   19,897.83x = 300,541,344.81
5. Step 5: Solve for x
   x = 300,541,344.81/19,897.83
6. Step 6: Final answer
   x = 15,104.23