Finding the Fourth Proportional to 2,801.82, 3,858.12 and 2,210.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,801.82 : 3,858.12 = 2,210.52 : x
2. Step 2: Convert to fraction form
   2,801.82/3,858.12 = 2,210.52/x
3. Step 3: Cross multiply
   2,801.82x = 3,858.12 × 2,210.52
4. Step 4: Simplify right side
   2,801.82x = 8,528,451.42
5. Step 5: Solve for x
   x = 8,528,451.42/2,801.82
6. Step 6: Final answer
   x = 3,043.90