Finding the Fourth Proportional to 2,103.86, 3,157.23 and 1,008.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.86 : 3,157.23 = 1,008.98 : x
2. Step 2: Convert to fraction form
   2,103.86/3,157.23 = 1,008.98/x
3. Step 3: Cross multiply
   2,103.86x = 3,157.23 × 1,008.98
4. Step 4: Simplify right side
   2,103.86x = 3,185,581.93
5. Step 5: Solve for x
   x = 3,185,581.93/2,103.86
6. Step 6: Final answer
   x = 1,514.16