Finding the Fourth Proportional to 1,401.26, 1,933.66 and 841.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.26 : 1,933.66 = 841.61 : x
2. Step 2: Convert to fraction form
   1,401.26/1,933.66 = 841.61/x
3. Step 3: Cross multiply
   1,401.26x = 1,933.66 × 841.61
4. Step 4: Simplify right side
   1,401.26x = 1,627,393.48
5. Step 5: Solve for x
   x = 1,627,393.48/1,401.26
6. Step 6: Final answer
   x = 1,161.38