Finding the Fourth Proportional to 2,059.31, 2,841.35 and 1,174.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.31 : 2,841.35 = 1,174.79 : x
2. Step 2: Convert to fraction form
   2,059.31/2,841.35 = 1,174.79/x
3. Step 3: Cross multiply
   2,059.31x = 2,841.35 × 1,174.79
4. Step 4: Simplify right side
   2,059.31x = 3,337,990.80
5. Step 5: Solve for x
   x = 3,337,990.80/2,059.31
6. Step 6: Final answer
   x = 1,620.92