Finding the Fourth Proportional to 3,645.50, 5,031.06 and 2,074.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.50 : 5,031.06 = 2,074.10 : x
2. Step 2: Convert to fraction form
   3,645.50/5,031.06 = 2,074.10/x
3. Step 3: Cross multiply
   3,645.50x = 5,031.06 × 2,074.10
4. Step 4: Simplify right side
   3,645.50x = 10,434,921.55
5. Step 5: Solve for x
   x = 10,434,921.55/3,645.50
6. Step 6: Final answer
   x = 2,862.41