Finding the Fourth Proportional to 2,280.42, 3,423.87 and 2,176.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.42 : 3,423.87 = 2,176.02 : x
2. Step 2: Convert to fraction form
   2,280.42/3,423.87 = 2,176.02/x
3. Step 3: Cross multiply
   2,280.42x = 3,423.87 × 2,176.02
4. Step 4: Simplify right side
   2,280.42x = 7,450,409.60
5. Step 5: Solve for x
   x = 7,450,409.60/2,280.42
6. Step 6: Final answer
   x = 3,267.12