Finding the Fourth Proportional to 3,530.80, 5,288.88 and 2,065.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,530.80 : 5,288.88 = 2,065.48 : x
2. Step 2: Convert to fraction form
   3,530.80/5,288.88 = 2,065.48/x
3. Step 3: Cross multiply
   3,530.80x = 5,288.88 × 2,065.48
4. Step 4: Simplify right side
   3,530.80x = 10,924,075.86
5. Step 5: Solve for x
   x = 10,924,075.86/3,530.80
6. Step 6: Final answer
   x = 3,093.94