Finding the Fourth Proportional to 2,010.61, 2,774.73 and 1,264.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.61 : 2,774.73 = 1,264.29 : x
2. Step 2: Convert to fraction form
   2,010.61/2,774.73 = 1,264.29/x
3. Step 3: Cross multiply
   2,010.61x = 2,774.73 × 1,264.29
4. Step 4: Simplify right side
   2,010.61x = 3,508,063.39
5. Step 5: Solve for x
   x = 3,508,063.39/2,010.61
6. Step 6: Final answer
   x = 1,744.78