Finding the Fourth Proportional to 3,530.34, 5,296.59 and 2,066.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.34 : 5,296.59 = 2,066.40 : x
2. Step 2: Convert to fraction form
   3,530.34/5,296.59 = 2,066.40/x
3. Step 3: Cross multiply
   3,530.34x = 5,296.59 × 2,066.40
4. Step 4: Simplify right side
   3,530.34x = 10,944,873.58
5. Step 5: Solve for x
   x = 10,944,873.58/3,530.34
6. Step 6: Final answer
   x = 3,100.23