Finding the Fourth Proportional to 2,105.93, 3,159.39 and 1,490.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.93 : 3,159.39 = 1,490.83 : x
2. Step 2: Convert to fraction form
   2,105.93/3,159.39 = 1,490.83/x
3. Step 3: Cross multiply
   2,105.93x = 3,159.39 × 1,490.83
4. Step 4: Simplify right side
   2,105.93x = 4,710,113.39
5. Step 5: Solve for x
   x = 4,710,113.39/2,105.93
6. Step 6: Final answer
   x = 2,236.60