Finding the Fourth Proportional to 3,846.06, 5,770.80 and 1,870.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,846.06 : 5,770.80 = 1,870.60 : x
2. Step 2: Convert to fraction form
   3,846.06/5,770.80 = 1,870.60/x
3. Step 3: Cross multiply
   3,846.06x = 5,770.80 × 1,870.60
4. Step 4: Simplify right side
   3,846.06x = 10,794,858.48
5. Step 5: Solve for x
   x = 10,794,858.48/3,846.06
6. Step 6: Final answer
   x = 2,806.73