Finding the Fourth Proportional to 2,059.02, 2,838.51 and 2,031.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059.02 : 2,838.51 = 2,031.21 : x
2. Step 2: Convert to fraction form
   2,059.02/2,838.51 = 2,031.21/x
3. Step 3: Cross multiply
   2,059.02x = 2,838.51 × 2,031.21
4. Step 4: Simplify right side
   2,059.02x = 5,765,609.90
5. Step 5: Solve for x
   x = 5,765,609.90/2,059.02
6. Step 6: Final answer
   x = 2,800.17