Finding the Fourth Proportional to 2,098.80, 3,146.28 and 1,003.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098.80 : 3,146.28 = 1,003.68 : x
2. Step 2: Convert to fraction form
   2,098.80/3,146.28 = 1,003.68/x
3. Step 3: Cross multiply
   2,098.80x = 3,146.28 × 1,003.68
4. Step 4: Simplify right side
   2,098.80x = 3,157,858.31
5. Step 5: Solve for x
   x = 3,157,858.31/2,098.80
6. Step 6: Final answer
   x = 1,504.60