Finding the Fourth Proportional to 3,456.15, 5,184.50 and 1,702.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.15 : 5,184.50 = 1,702.10 : x
2. Step 2: Convert to fraction form
   3,456.15/5,184.50 = 1,702.10/x
3. Step 3: Cross multiply
   3,456.15x = 5,184.50 × 1,702.10
4. Step 4: Simplify right side
   3,456.15x = 8,824,503.02
5. Step 5: Solve for x
   x = 8,824,503.02/3,456.15
6. Step 6: Final answer
   x = 2,553.28