Finding the Fourth Proportional to 2,100.34, 3,151.04 and 801.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.34 : 3,151.04 = 801.10 : x
2. Step 2: Convert to fraction form
   2,100.34/3,151.04 = 801.10/x
3. Step 3: Cross multiply
   2,100.34x = 3,151.04 × 801.10
4. Step 4: Simplify right side
   2,100.34x = 2,524,298.14
5. Step 5: Solve for x
   x = 2,524,298.14/2,100.34
6. Step 6: Final answer
   x = 1,201.85