Finding the Fourth Proportional to 4,868.15, 7,301.69 and 1,405.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,868.15 : 7,301.69 = 1,405.40 : x
2. Step 2: Convert to fraction form
   4,868.15/7,301.69 = 1,405.40/x
3. Step 3: Cross multiply
   4,868.15x = 7,301.69 × 1,405.40
4. Step 4: Simplify right side
   4,868.15x = 10,261,788.10
5. Step 5: Solve for x
   x = 10,261,788.10/4,868.15
6. Step 6: Final answer
   x = 2,107.94