Finding the Fourth Proportional to 2,433.98, 3,358.86 and 1,386.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,433.98 : 3,358.86 = 1,386.02 : x
2. Step 2: Convert to fraction form
   2,433.98/3,358.86 = 1,386.02/x
3. Step 3: Cross multiply
   2,433.98x = 3,358.86 × 1,386.02
4. Step 4: Simplify right side
   2,433.98x = 4,655,447.14
5. Step 5: Solve for x
   x = 4,655,447.14/2,433.98
6. Step 6: Final answer
   x = 1,912.69