Finding the Fourth Proportional to 2,103.48, 2,903.40 and 1,903.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.48 : 2,903.40 = 1,903.08 : x
2. Step 2: Convert to fraction form
   2,103.48/2,903.40 = 1,903.08/x
3. Step 3: Cross multiply
   2,103.48x = 2,903.40 × 1,903.08
4. Step 4: Simplify right side
   2,103.48x = 5,525,402.47
5. Step 5: Solve for x
   x = 5,525,402.47/2,103.48
6. Step 6: Final answer
   x = 2,626.79