Finding the Fourth Proportional to 11,279.08, 16,920.24 and 3,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,279.08 : 16,920.24 = 3,488.56 : x
2. Step 2: Convert to fraction form
   11,279.08/16,920.24 = 3,488.56/x
3. Step 3: Cross multiply
   11,279.08x = 16,920.24 × 3,488.56
4. Step 4: Simplify right side
   11,279.08x = 59,027,272.45
5. Step 5: Solve for x
   x = 59,027,272.45/11,279.08
6. Step 6: Final answer
   x = 5,233.34