Finding the Fourth Proportional to 2,108.48, 3,164.28 and 1,702.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.48 : 3,164.28 = 1,702.48 : x
2. Step 2: Convert to fraction form
   2,108.48/3,164.28 = 1,702.48/x
3. Step 3: Cross multiply
   2,108.48x = 3,164.28 × 1,702.48
4. Step 4: Simplify right side
   2,108.48x = 5,387,123.41
5. Step 5: Solve for x
   x = 5,387,123.41/2,108.48
6. Step 6: Final answer
   x = 2,554.98