Finding the Fourth Proportional to 2,800.10, 4,196.55 and 1,703.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800.10 : 4,196.55 = 1,703.30 : x
2. Step 2: Convert to fraction form
   2,800.10/4,196.55 = 1,703.30/x
3. Step 3: Cross multiply
   2,800.10x = 4,196.55 × 1,703.30
4. Step 4: Simplify right side
   2,800.10x = 7,147,983.62
5. Step 5: Solve for x
   x = 7,147,983.62/2,800.10
6. Step 6: Final answer
   x = 2,552.76