Finding the Fourth Proportional to 2,841.55, 4,259.17 and 2,145.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,841.55 : 4,259.17 = 2,145.96 : x
2. Step 2: Convert to fraction form
   2,841.55/4,259.17 = 2,145.96/x
3. Step 3: Cross multiply
   2,841.55x = 4,259.17 × 2,145.96
4. Step 4: Simplify right side
   2,841.55x = 9,140,008.45
5. Step 5: Solve for x
   x = 9,140,008.45/2,841.55
6. Step 6: Final answer
   x = 3,216.56