Finding the Fourth Proportional to 2,770.25, 4,151.86 and 1,209.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.25 : 4,151.86 = 1,209.83 : x
2. Step 2: Convert to fraction form
   2,770.25/4,151.86 = 1,209.83/x
3. Step 3: Cross multiply
   2,770.25x = 4,151.86 × 1,209.83
4. Step 4: Simplify right side
   2,770.25x = 5,023,044.78
5. Step 5: Solve for x
   x = 5,023,044.78/2,770.25
6. Step 6: Final answer
   x = 1,813.21