Finding the Fourth Proportional to 2,432.82, 3,357.77 and 1,438.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,432.82 : 3,357.77 = 1,438.05 : x
2. Step 2: Convert to fraction form
   2,432.82/3,357.77 = 1,438.05/x
3. Step 3: Cross multiply
   2,432.82x = 3,357.77 × 1,438.05
4. Step 4: Simplify right side
   2,432.82x = 4,828,633.96
5. Step 5: Solve for x
   x = 4,828,633.96/2,432.82
6. Step 6: Final answer
   x = 1,984.79