Finding the Fourth Proportional to 1,518.74, 2,276.33 and 697.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.74 : 2,276.33 = 697.10 : x
2. Step 2: Convert to fraction form
   1,518.74/2,276.33 = 697.10/x
3. Step 3: Cross multiply
   1,518.74x = 2,276.33 × 697.10
4. Step 4: Simplify right side
   1,518.74x = 1,586,814.78
5. Step 5: Solve for x
   x = 1,586,814.78/1,518.74
6. Step 6: Final answer
   x = 1,044.83