Finding the Fourth Proportional to 2,009.31, 2,773.77 and 1,169.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.31 : 2,773.77 = 1,169.70 : x
2. Step 2: Convert to fraction form
   2,009.31/2,773.77 = 1,169.70/x
3. Step 3: Cross multiply
   2,009.31x = 2,773.77 × 1,169.70
4. Step 4: Simplify right side
   2,009.31x = 3,244,478.77
5. Step 5: Solve for x
   x = 3,244,478.77/2,009.31
6. Step 6: Final answer
   x = 1,614.72