Finding the Fourth Proportional to 1,401.56, 1,933.94 and 841.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.56 : 1,933.94 = 841.92 : x
2. Step 2: Convert to fraction form
   1,401.56/1,933.94 = 841.92/x
3. Step 3: Cross multiply
   1,401.56x = 1,933.94 × 841.92
4. Step 4: Simplify right side
   1,401.56x = 1,628,222.76
5. Step 5: Solve for x
   x = 1,628,222.76/1,401.56
6. Step 6: Final answer
   x = 1,161.72