Finding the Fourth Proportional to 1,401.27, 1,933.67 and 803.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.27 : 1,933.67 = 803.76 : x
2. Step 2: Convert to fraction form
   1,401.27/1,933.67 = 803.76/x
3. Step 3: Cross multiply
   1,401.27x = 1,933.67 × 803.76
4. Step 4: Simplify right side
   1,401.27x = 1,554,202.58
5. Step 5: Solve for x
   x = 1,554,202.58/1,401.27
6. Step 6: Final answer
   x = 1,109.14