Finding the Fourth Proportional to 4,870.85, 7,304.27 and 1,868.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.85 : 7,304.27 = 1,868.42 : x
2. Step 2: Convert to fraction form
   4,870.85/7,304.27 = 1,868.42/x
3. Step 3: Cross multiply
   4,870.85x = 7,304.27 × 1,868.42
4. Step 4: Simplify right side
   4,870.85x = 13,647,453.07
5. Step 5: Solve for x
   x = 13,647,453.07/4,870.85
6. Step 6: Final answer
   x = 2,801.86