Finding the Fourth Proportional to 2,490.64, 3,736.78 and 1,103.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490.64 : 3,736.78 = 1,103.78 : x
2. Step 2: Convert to fraction form
   2,490.64/3,736.78 = 1,103.78/x
3. Step 3: Cross multiply
   2,490.64x = 3,736.78 × 1,103.78
4. Step 4: Simplify right side
   2,490.64x = 4,124,583.03
5. Step 5: Solve for x
   x = 4,124,583.03/2,490.64
6. Step 6: Final answer
   x = 1,656.03