Finding the Fourth Proportional to 2,870.46, 3,961.17 and 1,611.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.46 : 3,961.17 = 1,611.52 : x
2. Step 2: Convert to fraction form
   2,870.46/3,961.17 = 1,611.52/x
3. Step 3: Cross multiply
   2,870.46x = 3,961.17 × 1,611.52
4. Step 4: Simplify right side
   2,870.46x = 6,383,494.78
5. Step 5: Solve for x
   x = 6,383,494.78/2,870.46
6. Step 6: Final answer
   x = 2,223.86