Finding the Fourth Proportional to 2,870.46, 3,961.43 and 1,927.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.46 : 3,961.43 = 1,927.83 : x
2. Step 2: Convert to fraction form
   2,870.46/3,961.43 = 1,927.83/x
3. Step 3: Cross multiply
   2,870.46x = 3,961.43 × 1,927.83
4. Step 4: Simplify right side
   2,870.46x = 7,636,948.04
5. Step 5: Solve for x
   x = 7,636,948.04/2,870.46
6. Step 6: Final answer
   x = 2,660.53