Finding the Fourth Proportional to 6,454.83, 8,890.72 and 4,959.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,454.83 : 8,890.72 = 4,959.91 : x
2. Step 2: Convert to fraction form
   6,454.83/8,890.72 = 4,959.91/x
3. Step 3: Cross multiply
   6,454.83x = 8,890.72 × 4,959.91
4. Step 4: Simplify right side
   6,454.83x = 44,097,171.04
5. Step 5: Solve for x
   x = 44,097,171.04/6,454.83
6. Step 6: Final answer
   x = 6,831.65