Finding the Fourth Proportional to 1,401.44, 1,933.83 and 841.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.44 : 1,933.83 = 841.91 : x
2. Step 2: Convert to fraction form
   1,401.44/1,933.83 = 841.91/x
3. Step 3: Cross multiply
   1,401.44x = 1,933.83 × 841.91
4. Step 4: Simplify right side
   1,401.44x = 1,628,101.15
5. Step 5: Solve for x
   x = 1,628,101.15/1,401.44
6. Step 6: Final answer
   x = 1,161.74