Finding the Fourth Proportional to 3,546.59, 5,320.25 and 1,355.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546.59 : 5,320.25 = 1,355.30 : x
2. Step 2: Convert to fraction form
   3,546.59/5,320.25 = 1,355.30/x
3. Step 3: Cross multiply
   3,546.59x = 5,320.25 × 1,355.30
4. Step 4: Simplify right side
   3,546.59x = 7,210,526.48
5. Step 5: Solve for x
   x = 7,210,526.48/3,546.59
6. Step 6: Final answer
   x = 2,033.09