Finding the Fourth Proportional to 3,856.32, 5,787.54 and 2,007.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,856.32 : 5,787.54 = 2,007.96 : x
2. Step 2: Convert to fraction form
   3,856.32/5,787.54 = 2,007.96/x
3. Step 3: Cross multiply
   3,856.32x = 5,787.54 × 2,007.96
4. Step 4: Simplify right side
   3,856.32x = 11,621,148.82
5. Step 5: Solve for x
   x = 11,621,148.82/3,856.32
6. Step 6: Final answer
   x = 3,013.53