Finding the Fourth Proportional to 2,109.02, 3,162 and 1,012.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.02 : 3,162 = 1,012.76 : x
2. Step 2: Convert to fraction form
   2,109.02/3,162 = 1,012.76/x
3. Step 3: Cross multiply
   2,109.02x = 3,162 × 1,012.76
4. Step 4: Simplify right side
   2,109.02x = 3,202,347.12
5. Step 5: Solve for x
   x = 3,202,347.12/2,109.02
6. Step 6: Final answer
   x = 1,518.41