Finding the Fourth Proportional to 2,609.74, 3,917.17 and 1,914.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609.74 : 3,917.17 = 1,914.42 : x
2. Step 2: Convert to fraction form
   2,609.74/3,917.17 = 1,914.42/x
3. Step 3: Cross multiply
   2,609.74x = 3,917.17 × 1,914.42
4. Step 4: Simplify right side
   2,609.74x = 7,499,108.59
5. Step 5: Solve for x
   x = 7,499,108.59/2,609.74
6. Step 6: Final answer
   x = 2,873.51