Finding the Fourth Proportional to 1,401.74, 1,933.52 and 841.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.74 : 1,933.52 = 841.84 : x
2. Step 2: Convert to fraction form
   1,401.74/1,933.52 = 841.84/x
3. Step 3: Cross multiply
   1,401.74x = 1,933.52 × 841.84
4. Step 4: Simplify right side
   1,401.74x = 1,627,714.48
5. Step 5: Solve for x
   x = 1,627,714.48/1,401.74
6. Step 6: Final answer
   x = 1,161.21