Finding the Fourth Proportional to 11,279.32, 16,918.59 and 2,959.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,279.32 : 16,918.59 = 2,959.27 : x
2. Step 2: Convert to fraction form
   11,279.32/16,918.59 = 2,959.27/x
3. Step 3: Cross multiply
   11,279.32x = 16,918.59 × 2,959.27
4. Step 4: Simplify right side
   11,279.32x = 50,066,675.83
5. Step 5: Solve for x
   x = 50,066,675.83/11,279.32
6. Step 6: Final answer
   x = 4,438.80