Finding the Fourth Proportional to 1,779.98, 2,456.44 and 994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.98 : 2,456.44 = 994.18 : x
2. Step 2: Convert to fraction form
   1,779.98/2,456.44 = 994.18/x
3. Step 3: Cross multiply
   1,779.98x = 2,456.44 × 994.18
4. Step 4: Simplify right side
   1,779.98x = 2,442,143.52
5. Step 5: Solve for x
   x = 2,442,143.52/1,779.98
6. Step 6: Final answer
   x = 1,372.01