Finding the Fourth Proportional to 2,100.03, 2,896.56 and 1,783.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.03 : 2,896.56 = 1,783.11 : x
2. Step 2: Convert to fraction form
   2,100.03/2,896.56 = 1,783.11/x
3. Step 3: Cross multiply
   2,100.03x = 2,896.56 × 1,783.11
4. Step 4: Simplify right side
   2,100.03x = 5,164,885.10
5. Step 5: Solve for x
   x = 5,164,885.10/2,100.03
6. Step 6: Final answer
   x = 2,459.43