Finding the Fourth Proportional to 3,628.58, 5,443.27 and 1,288.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,628.58 : 5,443.27 = 1,288.08 : x
2. Step 2: Convert to fraction form
   3,628.58/5,443.27 = 1,288.08/x
3. Step 3: Cross multiply
   3,628.58x = 5,443.27 × 1,288.08
4. Step 4: Simplify right side
   3,628.58x = 7,011,364.00
5. Step 5: Solve for x
   x = 7,011,364.00/3,628.58
6. Step 6: Final answer
   x = 1,932.26