Finding the Fourth Proportional to 2,074.32, 3,108.87 and 976.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.32 : 3,108.87 = 976.37 : x
2. Step 2: Convert to fraction form
   2,074.32/3,108.87 = 976.37/x
3. Step 3: Cross multiply
   2,074.32x = 3,108.87 × 976.37
4. Step 4: Simplify right side
   2,074.32x = 3,035,391.86
5. Step 5: Solve for x
   x = 3,035,391.86/2,074.32
6. Step 6: Final answer
   x = 1,463.32