Finding the Fourth Proportional to 4,155.84, 5,735.34 and 2,388.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,155.84 : 5,735.34 = 2,388.15 : x
2. Step 2: Convert to fraction form
   4,155.84/5,735.34 = 2,388.15/x
3. Step 3: Cross multiply
   4,155.84x = 5,735.34 × 2,388.15
4. Step 4: Simplify right side
   4,155.84x = 13,696,852.22
5. Step 5: Solve for x
   x = 13,696,852.22/4,155.84
6. Step 6: Final answer
   x = 3,295.81