Finding the Fourth Proportional to 19,907.82, 27,471.76 and 10,956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,907.82 : 27,471.76 = 10,956.16 : x
2. Step 2: Convert to fraction form
   19,907.82/27,471.76 = 10,956.16/x
3. Step 3: Cross multiply
   19,907.82x = 27,471.76 × 10,956.16
4. Step 4: Simplify right side
   19,907.82x = 300,984,998.04
5. Step 5: Solve for x
   x = 300,984,998.04/19,907.82
6. Step 6: Final answer
   x = 15,118.93