Finding the Fourth Proportional to 2,100.96, 3,149.61 and 1,060.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.96 : 3,149.61 = 1,060.09 : x
2. Step 2: Convert to fraction form
   2,100.96/3,149.61 = 1,060.09/x
3. Step 3: Cross multiply
   2,100.96x = 3,149.61 × 1,060.09
4. Step 4: Simplify right side
   2,100.96x = 3,338,870.06
5. Step 5: Solve for x
   x = 3,338,870.06/2,100.96
6. Step 6: Final answer
   x = 1,589.21