Finding the Fourth Proportional to 6,725.61, 9,279.82 and 4,072.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,725.61 : 9,279.82 = 4,072.96 : x
2. Step 2: Convert to fraction form
   6,725.61/9,279.82 = 4,072.96/x
3. Step 3: Cross multiply
   6,725.61x = 9,279.82 × 4,072.96
4. Step 4: Simplify right side
   6,725.61x = 37,796,335.67
5. Step 5: Solve for x
   x = 37,796,335.67/6,725.61
6. Step 6: Final answer
   x = 5,619.76