Finding the Fourth Proportional to 2,074.12, 3,108.57 and 976.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.12 : 3,108.57 = 976.06 : x
2. Step 2: Convert to fraction form
   2,074.12/3,108.57 = 976.06/x
3. Step 3: Cross multiply
   2,074.12x = 3,108.57 × 976.06
4. Step 4: Simplify right side
   2,074.12x = 3,034,150.83
5. Step 5: Solve for x
   x = 3,034,150.83/2,074.12
6. Step 6: Final answer
   x = 1,462.86