Finding the Fourth Proportional to 1,900.60, 2,663 and 1,900.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.60 : 2,663 = 1,900.60 : x
2. Step 2: Convert to fraction form
   1,900.60/2,663 = 1,900.60/x
3. Step 3: Cross multiply
   1,900.60x = 2,663 × 1,900.60
4. Step 4: Simplify right side
   1,900.60x = 5,061,297.80
5. Step 5: Solve for x
   x = 5,061,297.80/1,900.60
6. Step 6: Final answer
   x = 2,663