Finding the Fourth Proportional to 2,786.58, 4,179.90 and 1,141.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.58 : 4,179.90 = 1,141.98 : x
2. Step 2: Convert to fraction form
   2,786.58/4,179.90 = 1,141.98/x
3. Step 3: Cross multiply
   2,786.58x = 4,179.90 × 1,141.98
4. Step 4: Simplify right side
   2,786.58x = 4,773,362.20
5. Step 5: Solve for x
   x = 4,773,362.20/2,786.58
6. Step 6: Final answer
   x = 1,712.98