Finding the Fourth Proportional to 2,321.01, 3,203.82 and 1,535.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.01 : 3,203.82 = 1,535.31 : x
2. Step 2: Convert to fraction form
   2,321.01/3,203.82 = 1,535.31/x
3. Step 3: Cross multiply
   2,321.01x = 3,203.82 × 1,535.31
4. Step 4: Simplify right side
   2,321.01x = 4,918,856.88
5. Step 5: Solve for x
   x = 4,918,856.88/2,321.01
6. Step 6: Final answer
   x = 2,119.27