Finding the Fourth Proportional to 2,895.43, 4,342.89 and 786.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.43 : 4,342.89 = 786.98 : x
2. Step 2: Convert to fraction form
   2,895.43/4,342.89 = 786.98/x
3. Step 3: Cross multiply
   2,895.43x = 4,342.89 × 786.98
4. Step 4: Simplify right side
   2,895.43x = 3,417,745.86
5. Step 5: Solve for x
   x = 3,417,745.86/2,895.43
6. Step 6: Final answer
   x = 1,180.39