Finding the Fourth Proportional to 2,103.90, 2,903.37 and 1,146.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.90 : 2,903.37 = 1,146.81 : x
2. Step 2: Convert to fraction form
   2,103.90/2,903.37 = 1,146.81/x
3. Step 3: Cross multiply
   2,103.90x = 2,903.37 × 1,146.81
4. Step 4: Simplify right side
   2,103.90x = 3,329,613.36
5. Step 5: Solve for x
   x = 3,329,613.36/2,103.90
6. Step 6: Final answer
   x = 1,582.59