Finding the Fourth Proportional to 2,702.94, 4,053.42 and 1,315.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.94 : 4,053.42 = 1,315.86 : x
2. Step 2: Convert to fraction form
   2,702.94/4,053.42 = 1,315.86/x
3. Step 3: Cross multiply
   2,702.94x = 4,053.42 × 1,315.86
4. Step 4: Simplify right side
   2,702.94x = 5,333,733.24
5. Step 5: Solve for x
   x = 5,333,733.24/2,702.94
6. Step 6: Final answer
   x = 1,973.31