Finding the Fourth Proportional to 2,099.42, 3,149.50 and 1,059.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.42 : 3,149.50 = 1,059.45 : x
2. Step 2: Convert to fraction form
   2,099.42/3,149.50 = 1,059.45/x
3. Step 3: Cross multiply
   2,099.42x = 3,149.50 × 1,059.45
4. Step 4: Simplify right side
   2,099.42x = 3,336,737.78
5. Step 5: Solve for x
   x = 3,336,737.78/2,099.42
6. Step 6: Final answer
   x = 1,589.37