Finding the Fourth Proportional to 2,010.45, 2,774.55 and 1,126.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.45 : 2,774.55 = 1,126.39 : x
2. Step 2: Convert to fraction form
   2,010.45/2,774.55 = 1,126.39/x
3. Step 3: Cross multiply
   2,010.45x = 2,774.55 × 1,126.39
4. Step 4: Simplify right side
   2,010.45x = 3,125,227.86
5. Step 5: Solve for x
   x = 3,125,227.86/2,010.45
6. Step 6: Final answer
   x = 1,554.49