Finding the Fourth Proportional to 2,856.32, 3,941.69 and 1,677.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.32 : 3,941.69 = 1,677.16 : x
2. Step 2: Convert to fraction form
   2,856.32/3,941.69 = 1,677.16/x
3. Step 3: Cross multiply
   2,856.32x = 3,941.69 × 1,677.16
4. Step 4: Simplify right side
   2,856.32x = 6,610,826.56
5. Step 5: Solve for x
   x = 6,610,826.56/2,856.32
6. Step 6: Final answer
   x = 2,314.46