Finding the Fourth Proportional to 3,664.98, 5,500.78 and 2,281.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.98 : 5,500.78 = 2,281.02 : x
2. Step 2: Convert to fraction form
   3,664.98/5,500.78 = 2,281.02/x
3. Step 3: Cross multiply
   3,664.98x = 5,500.78 × 2,281.02
4. Step 4: Simplify right side
   3,664.98x = 12,547,398.08
5. Step 5: Solve for x
   x = 12,547,398.08/3,664.98
6. Step 6: Final answer
   x = 3,423.59