Finding the Fourth Proportional to 2,703.49, 4,053.59 and 1,315.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.49 : 4,053.59 = 1,315.43 : x
2. Step 2: Convert to fraction form
   2,703.49/4,053.59 = 1,315.43/x
3. Step 3: Cross multiply
   2,703.49x = 4,053.59 × 1,315.43
4. Step 4: Simplify right side
   2,703.49x = 5,332,196.91
5. Step 5: Solve for x
   x = 5,332,196.91/2,703.49
6. Step 6: Final answer
   x = 1,972.34