Finding the Fourth Proportional to 5,487.72, 8,226.72 and 4,194.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,487.72 : 8,226.72 = 4,194.96 : x
2. Step 2: Convert to fraction form
   5,487.72/8,226.72 = 4,194.96/x
3. Step 3: Cross multiply
   5,487.72x = 8,226.72 × 4,194.96
4. Step 4: Simplify right side
   5,487.72x = 34,510,761.33
5. Step 5: Solve for x
   x = 34,510,761.33/5,487.72
6. Step 6: Final answer
   x = 6,288.72