Finding the Fourth Proportional to 2,106.84, 3,158.74 and 1,010.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.84 : 3,158.74 = 1,010.36 : x
2. Step 2: Convert to fraction form
   2,106.84/3,158.74 = 1,010.36/x
3. Step 3: Cross multiply
   2,106.84x = 3,158.74 × 1,010.36
4. Step 4: Simplify right side
   2,106.84x = 3,191,464.55
5. Step 5: Solve for x
   x = 3,191,464.55/2,106.84
6. Step 6: Final answer
   x = 1,514.81