Finding the Fourth Proportional to 3,448.56, 5,174.72 and 2,134.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,448.56 : 5,174.72 = 2,134.12 : x
2. Step 2: Convert to fraction form
   3,448.56/5,174.72 = 2,134.12/x
3. Step 3: Cross multiply
   3,448.56x = 5,174.72 × 2,134.12
4. Step 4: Simplify right side
   3,448.56x = 11,043,473.45
5. Step 5: Solve for x
   x = 11,043,473.45/3,448.56
6. Step 6: Final answer
   x = 3,202.34