Finding the Fourth Proportional to 1,131.05, 1,704.27 and 930.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.05 : 1,704.27 = 930.11 : x
2. Step 2: Convert to fraction form
   1,131.05/1,704.27 = 930.11/x
3. Step 3: Cross multiply
   1,131.05x = 1,704.27 × 930.11
4. Step 4: Simplify right side
   1,131.05x = 1,585,158.57
5. Step 5: Solve for x
   x = 1,585,158.57/1,131.05
6. Step 6: Final answer
   x = 1,401.50