Finding the Fourth Proportional to 11,714.72, 16,164.72 and 6,998

Step by Step Solution

1. Step 1: Write the proportion equation
   11,714.72 : 16,164.72 = 6,998 : x
2. Step 2: Convert to fraction form
   11,714.72/16,164.72 = 6,998/x
3. Step 3: Cross multiply
   11,714.72x = 16,164.72 × 6,998
4. Step 4: Simplify right side
   11,714.72x = 113,120,710.56
5. Step 5: Solve for x
   x = 113,120,710.56/11,714.72
6. Step 6: Final answer
   x = 9,656.29