Finding the Fourth Proportional to 2,104.86, 3,162.42 and 1,490.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.86 : 3,162.42 = 1,490.34 : x
2. Step 2: Convert to fraction form
   2,104.86/3,162.42 = 1,490.34/x
3. Step 3: Cross multiply
   2,104.86x = 3,162.42 × 1,490.34
4. Step 4: Simplify right side
   2,104.86x = 4,713,081.02
5. Step 5: Solve for x
   x = 4,713,081.02/2,104.86
6. Step 6: Final answer
   x = 2,239.14