Finding the Fourth Proportional to 11,112.66, 16,676.55 and 5,922.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,112.66 : 16,676.55 = 5,922.18 : x
2. Step 2: Convert to fraction form
   11,112.66/16,676.55 = 5,922.18/x
3. Step 3: Cross multiply
   11,112.66x = 16,676.55 × 5,922.18
4. Step 4: Simplify right side
   11,112.66x = 98,761,530.88
5. Step 5: Solve for x
   x = 98,761,530.88/11,112.66
6. Step 6: Final answer
   x = 8,887.30