Finding the Fourth Proportional to 4,612.28, 6,882.72 and 4,120.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,612.28 : 6,882.72 = 4,120.04 : x
2. Step 2: Convert to fraction form
   4,612.28/6,882.72 = 4,120.04/x
3. Step 3: Cross multiply
   4,612.28x = 6,882.72 × 4,120.04
4. Step 4: Simplify right side
   4,612.28x = 28,357,081.71
5. Step 5: Solve for x
   x = 28,357,081.71/4,612.28
6. Step 6: Final answer
   x = 6,148.17