Finding the Fourth Proportional to 1,401.75, 1,933.47 and 841.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.75 : 1,933.47 = 841.77 : x
2. Step 2: Convert to fraction form
   1,401.75/1,933.47 = 841.77/x
3. Step 3: Cross multiply
   1,401.75x = 1,933.47 × 841.77
4. Step 4: Simplify right side
   1,401.75x = 1,627,537.04
5. Step 5: Solve for x
   x = 1,627,537.04/1,401.75
6. Step 6: Final answer
   x = 1,161.08