Finding the Fourth Proportional to 2,241.86, 3,362.69 and 781.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,241.86 : 3,362.69 = 781.34 : x
2. Step 2: Convert to fraction form
   2,241.86/3,362.69 = 781.34/x
3. Step 3: Cross multiply
   2,241.86x = 3,362.69 × 781.34
4. Step 4: Simplify right side
   2,241.86x = 2,627,389.34
5. Step 5: Solve for x
   x = 2,627,389.34/2,241.86
6. Step 6: Final answer
   x = 1,171.97