Finding the Fourth Proportional to 4,979.10, 7,470.58 and 2,056.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,979.10 : 7,470.58 = 2,056.72 : x
2. Step 2: Convert to fraction form
   4,979.10/7,470.58 = 2,056.72/x
3. Step 3: Cross multiply
   4,979.10x = 7,470.58 × 2,056.72
4. Step 4: Simplify right side
   4,979.10x = 15,364,891.30
5. Step 5: Solve for x
   x = 15,364,891.30/4,979.10
6. Step 6: Final answer
   x = 3,085.88