Finding the Fourth Proportional to 2,103.40, 2,841.75 and 2,103.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.40 : 2,841.75 = 2,103.40 : x
2. Step 2: Convert to fraction form
   2,103.40/2,841.75 = 2,103.40/x
3. Step 3: Cross multiply
   2,103.40x = 2,841.75 × 2,103.40
4. Step 4: Simplify right side
   2,103.40x = 5,977,336.95
5. Step 5: Solve for x
   x = 5,977,336.95/2,103.40
6. Step 6: Final answer
   x = 2,841.75