Finding the Fourth Proportional to 2,770.98, 4,157.52 and 1,290.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.98 : 4,157.52 = 1,290.96 : x
2. Step 2: Convert to fraction form
   2,770.98/4,157.52 = 1,290.96/x
3. Step 3: Cross multiply
   2,770.98x = 4,157.52 × 1,290.96
4. Step 4: Simplify right side
   2,770.98x = 5,367,192.02
5. Step 5: Solve for x
   x = 5,367,192.02/2,770.98
6. Step 6: Final answer
   x = 1,936.93