Finding the Fourth Proportional to 3,910.67, 5,858.44 and 2,174.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,910.67 : 5,858.44 = 2,174.03 : x
2. Step 2: Convert to fraction form
   3,910.67/5,858.44 = 2,174.03/x
3. Step 3: Cross multiply
   3,910.67x = 5,858.44 × 2,174.03
4. Step 4: Simplify right side
   3,910.67x = 12,736,384.15
5. Step 5: Solve for x
   x = 12,736,384.15/3,910.67
6. Step 6: Final answer
   x = 3,256.83