Finding the Fourth Proportional to 2,378.38, 3,561.90 and 2,029.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,378.38 : 3,561.90 = 2,029.82 : x
2. Step 2: Convert to fraction form
   2,378.38/3,561.90 = 2,029.82/x
3. Step 3: Cross multiply
   2,378.38x = 3,561.90 × 2,029.82
4. Step 4: Simplify right side
   2,378.38x = 7,230,015.86
5. Step 5: Solve for x
   x = 7,230,015.86/2,378.38
6. Step 6: Final answer
   x = 3,039.89