Finding the Fourth Proportional to 2,448.73, 3,379.31 and 1,400.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.73 : 3,379.31 = 1,400.89 : x
2. Step 2: Convert to fraction form
   2,448.73/3,379.31 = 1,400.89/x
3. Step 3: Cross multiply
   2,448.73x = 3,379.31 × 1,400.89
4. Step 4: Simplify right side
   2,448.73x = 4,734,041.59
5. Step 5: Solve for x
   x = 4,734,041.59/2,448.73
6. Step 6: Final answer
   x = 1,933.26