Finding the Fourth Proportional to 11,042.82, 16,570.71 and 7,919.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,042.82 : 16,570.71 = 7,919.46 : x
2. Step 2: Convert to fraction form
   11,042.82/16,570.71 = 7,919.46/x
3. Step 3: Cross multiply
   11,042.82x = 16,570.71 × 7,919.46
4. Step 4: Simplify right side
   11,042.82x = 131,231,075.02
5. Step 5: Solve for x
   x = 131,231,075.02/11,042.82
6. Step 6: Final answer
   x = 11,883.84