Finding the Fourth Proportional to 3,975.72, 5,486.82 and 2,297.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,975.72 : 5,486.82 = 2,297.70 : x
2. Step 2: Convert to fraction form
   3,975.72/5,486.82 = 2,297.70/x
3. Step 3: Cross multiply
   3,975.72x = 5,486.82 × 2,297.70
4. Step 4: Simplify right side
   3,975.72x = 12,607,066.31
5. Step 5: Solve for x
   x = 12,607,066.31/3,975.72
6. Step 6: Final answer
   x = 3,171.01