Finding the Fourth Proportional to 2,870.46, 3,962.87 and 2,192.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.46 : 3,962.87 = 2,192.92 : x
2. Step 2: Convert to fraction form
   2,870.46/3,962.87 = 2,192.92/x
3. Step 3: Cross multiply
   2,870.46x = 3,962.87 × 2,192.92
4. Step 4: Simplify right side
   2,870.46x = 8,690,256.88
5. Step 5: Solve for x
   x = 8,690,256.88/2,870.46
6. Step 6: Final answer
   x = 3,027.48