Finding the Fourth Proportional to 4,870.19, 7,299.81 and 2,399.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.19 : 7,299.81 = 2,399.78 : x
2. Step 2: Convert to fraction form
   4,870.19/7,299.81 = 2,399.78/x
3. Step 3: Cross multiply
   4,870.19x = 7,299.81 × 2,399.78
4. Step 4: Simplify right side
   4,870.19x = 17,517,938.04
5. Step 5: Solve for x
   x = 17,517,938.04/4,870.19
6. Step 6: Final answer
   x = 3,596.97