Finding the Fourth Proportional to 2,459.46, 3,393.56 and 2,085.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.46 : 3,393.56 = 2,085.86 : x
2. Step 2: Convert to fraction form
   2,459.46/3,393.56 = 2,085.86/x
3. Step 3: Cross multiply
   2,459.46x = 3,393.56 × 2,085.86
4. Step 4: Simplify right side
   2,459.46x = 7,078,491.06
5. Step 5: Solve for x
   x = 7,078,491.06/2,459.46
6. Step 6: Final answer
   x = 2,878.07