Finding the Fourth Proportional to 3,846.30, 5,771.16 and 1,870.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.30 : 5,771.16 = 1,870.84 : x
2. Step 2: Convert to fraction form
   3,846.30/5,771.16 = 1,870.84/x
3. Step 3: Cross multiply
   3,846.30x = 5,771.16 × 1,870.84
4. Step 4: Simplify right side
   3,846.30x = 10,796,916.97
5. Step 5: Solve for x
   x = 10,796,916.97/3,846.30
6. Step 6: Final answer
   x = 2,807.09