Finding the Fourth Proportional to 2,106, 3,159.69 and 1,010.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106 : 3,159.69 = 1,010.45 : x
2. Step 2: Convert to fraction form
   2,106/3,159.69 = 1,010.45/x
3. Step 3: Cross multiply
   2,106x = 3,159.69 × 1,010.45
4. Step 4: Simplify right side
   2,106x = 3,192,708.76
5. Step 5: Solve for x
   x = 3,192,708.76/2,106
6. Step 6: Final answer
   x = 1,516.01