Finding the Fourth Proportional to 1,401.21, 1,932.71 and 841.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.21 : 1,932.71 = 841.23 : x
2. Step 2: Convert to fraction form
   1,401.21/1,932.71 = 841.23/x
3. Step 3: Cross multiply
   1,401.21x = 1,932.71 × 841.23
4. Step 4: Simplify right side
   1,401.21x = 1,625,849.43
5. Step 5: Solve for x
   x = 1,625,849.43/1,401.21
6. Step 6: Final answer
   x = 1,160.32