Finding the Fourth Proportional to 2,059.48, 3,074.38 and 1,913.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.48 : 3,074.38 = 1,913.68 : x
2. Step 2: Convert to fraction form
   2,059.48/3,074.38 = 1,913.68/x
3. Step 3: Cross multiply
   2,059.48x = 3,074.38 × 1,913.68
4. Step 4: Simplify right side
   2,059.48x = 5,883,379.52
5. Step 5: Solve for x
   x = 5,883,379.52/2,059.48
6. Step 6: Final answer
   x = 2,856.73