Finding the Fourth Proportional to 2,010.76, 2,774.86 and 1,171.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.76 : 2,774.86 = 1,171.98 : x
2. Step 2: Convert to fraction form
   2,010.76/2,774.86 = 1,171.98/x
3. Step 3: Cross multiply
   2,010.76x = 2,774.86 × 1,171.98
4. Step 4: Simplify right side
   2,010.76x = 3,252,077.49
5. Step 5: Solve for x
   x = 3,252,077.49/2,010.76
6. Step 6: Final answer
   x = 1,617.34