Finding the Fourth Proportional to 1,406.84, 1,941.73 and 817.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.84 : 1,941.73 = 817.34 : x
2. Step 2: Convert to fraction form
   1,406.84/1,941.73 = 817.34/x
3. Step 3: Cross multiply
   1,406.84x = 1,941.73 × 817.34
4. Step 4: Simplify right side
   1,406.84x = 1,587,053.60
5. Step 5: Solve for x
   x = 1,587,053.60/1,406.84
6. Step 6: Final answer
   x = 1,128.10