Finding the Fourth Proportional to 2,976.32, 4,471.32 and 2,100.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.32 : 4,471.32 = 2,100.84 : x
2. Step 2: Convert to fraction form
   2,976.32/4,471.32 = 2,100.84/x
3. Step 3: Cross multiply
   2,976.32x = 4,471.32 × 2,100.84
4. Step 4: Simplify right side
   2,976.32x = 9,393,527.91
5. Step 5: Solve for x
   x = 9,393,527.91/2,976.32
6. Step 6: Final answer
   x = 3,156.09