Finding the Fourth Proportional to 3,709.05, 5,118.06 and 2,196.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,709.05 : 5,118.06 = 2,196.84 : x
2. Step 2: Convert to fraction form
   3,709.05/5,118.06 = 2,196.84/x
3. Step 3: Cross multiply
   3,709.05x = 5,118.06 × 2,196.84
4. Step 4: Simplify right side
   3,709.05x = 11,243,558.93
5. Step 5: Solve for x
   x = 11,243,558.93/3,709.05
6. Step 6: Final answer
   x = 3,031.39