Finding the Fourth Proportional to 1,359.27, 1,874.61 and 1,174.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.27 : 1,874.61 = 1,174.59 : x
2. Step 2: Convert to fraction form
   1,359.27/1,874.61 = 1,174.59/x
3. Step 3: Cross multiply
   1,359.27x = 1,874.61 × 1,174.59
4. Step 4: Simplify right side
   1,359.27x = 2,201,898.16
5. Step 5: Solve for x
   x = 2,201,898.16/1,359.27
6. Step 6: Final answer
   x = 1,619.91