Finding the Fourth Proportional to 2,454.52, 3,386.85 and 1,406.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.52 : 3,386.85 = 1,406.38 : x
2. Step 2: Convert to fraction form
   2,454.52/3,386.85 = 1,406.38/x
3. Step 3: Cross multiply
   2,454.52x = 3,386.85 × 1,406.38
4. Step 4: Simplify right side
   2,454.52x = 4,763,181.17
5. Step 5: Solve for x
   x = 4,763,181.17/2,454.52
6. Step 6: Final answer
   x = 1,940.58