Finding the Fourth Proportional to 19,900.69, 27,463.37 and 10,948.21

Step by Step Solution

1. Step 1: Write the proportion equation
   19,900.69 : 27,463.37 = 10,948.21 : x
2. Step 2: Convert to fraction form
   19,900.69/27,463.37 = 10,948.21/x
3. Step 3: Cross multiply
   19,900.69x = 27,463.37 × 10,948.21
4. Step 4: Simplify right side
   19,900.69x = 300,674,687.33
5. Step 5: Solve for x
   x = 300,674,687.33/19,900.69
6. Step 6: Final answer
   x = 15,108.76