Finding the Fourth Proportional to 1,358.91, 2,034.59 and 699.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.91 : 2,034.59 = 699.37 : x
2. Step 2: Convert to fraction form
   1,358.91/2,034.59 = 699.37/x
3. Step 3: Cross multiply
   1,358.91x = 2,034.59 × 699.37
4. Step 4: Simplify right side
   1,358.91x = 1,422,922.62
5. Step 5: Solve for x
   x = 1,422,922.62/1,358.91
6. Step 6: Final answer
   x = 1,047.11