Finding the Fourth Proportional to 2,770.18, 4,153.01 and 1,290.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.18 : 4,153.01 = 1,290.33 : x
2. Step 2: Convert to fraction form
   2,770.18/4,153.01 = 1,290.33/x
3. Step 3: Cross multiply
   2,770.18x = 4,153.01 × 1,290.33
4. Step 4: Simplify right side
   2,770.18x = 5,358,753.39
5. Step 5: Solve for x
   x = 5,358,753.39/2,770.18
6. Step 6: Final answer
   x = 1,934.44