Finding the Fourth Proportional to 2,174.86, 3,259.86 and 940.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.86 : 3,259.86 = 940.42 : x
2. Step 2: Convert to fraction form
   2,174.86/3,259.86 = 940.42/x
3. Step 3: Cross multiply
   2,174.86x = 3,259.86 × 940.42
4. Step 4: Simplify right side
   2,174.86x = 3,065,637.54
5. Step 5: Solve for x
   x = 3,065,637.54/2,174.86
6. Step 6: Final answer
   x = 1,409.58