Finding the Fourth Proportional to 3,856.04, 5,756.15 and 3,388.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.04 : 5,756.15 = 3,388.96 : x
2. Step 2: Convert to fraction form
   3,856.04/5,756.15 = 3,388.96/x
3. Step 3: Cross multiply
   3,856.04x = 5,756.15 × 3,388.96
4. Step 4: Simplify right side
   3,856.04x = 19,507,362.10
5. Step 5: Solve for x
   x = 19,507,362.10/3,856.04
6. Step 6: Final answer
   x = 5,058.91