Finding the Fourth Proportional to 1,401.67, 1,933.95 and 841.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.67 : 1,933.95 = 841.96 : x
2. Step 2: Convert to fraction form
   1,401.67/1,933.95 = 841.96/x
3. Step 3: Cross multiply
   1,401.67x = 1,933.95 × 841.96
4. Step 4: Simplify right side
   1,401.67x = 1,628,308.54
5. Step 5: Solve for x
   x = 1,628,308.54/1,401.67
6. Step 6: Final answer
   x = 1,161.69