Finding the Fourth Proportional to 3,369.65, 5,053.49 and 1,148.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.65 : 5,053.49 = 1,148.43 : x
2. Step 2: Convert to fraction form
   3,369.65/5,053.49 = 1,148.43/x
3. Step 3: Cross multiply
   3,369.65x = 5,053.49 × 1,148.43
4. Step 4: Simplify right side
   3,369.65x = 5,803,566.89
5. Step 5: Solve for x
   x = 5,803,566.89/3,369.65
6. Step 6: Final answer
   x = 1,722.31