Finding the Fourth Proportional to 2,059.14, 2,840.91 and 1,174.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.14 : 2,840.91 = 1,174.31 : x
2. Step 2: Convert to fraction form
   2,059.14/2,840.91 = 1,174.31/x
3. Step 3: Cross multiply
   2,059.14x = 2,840.91 × 1,174.31
4. Step 4: Simplify right side
   2,059.14x = 3,336,104.86
5. Step 5: Solve for x
   x = 3,336,104.86/2,059.14
6. Step 6: Final answer
   x = 1,620.14