Finding the Fourth Proportional to 2,628.65, 3,943.89 and 1,167.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.65 : 3,943.89 = 1,167.62 : x
2. Step 2: Convert to fraction form
   2,628.65/3,943.89 = 1,167.62/x
3. Step 3: Cross multiply
   2,628.65x = 3,943.89 × 1,167.62
4. Step 4: Simplify right side
   2,628.65x = 4,604,945.12
5. Step 5: Solve for x
   x = 4,604,945.12/2,628.65
6. Step 6: Final answer
   x = 1,751.83