Finding the Fourth Proportional to 1,141.57, 1,704.10 and 1,003.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.57 : 1,704.10 = 1,003.18 : x
2. Step 2: Convert to fraction form
   1,141.57/1,704.10 = 1,003.18/x
3. Step 3: Cross multiply
   1,141.57x = 1,704.10 × 1,003.18
4. Step 4: Simplify right side
   1,141.57x = 1,709,517.35
5. Step 5: Solve for x
   x = 1,709,517.35/1,141.57
6. Step 6: Final answer
   x = 1,497.51