Finding the Fourth Proportional to 8,488.79, 11,714.52 and 4,951.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488.79 : 11,714.52 = 4,951.31 : x
2. Step 2: Convert to fraction form
   8,488.79/11,714.52 = 4,951.31/x
3. Step 3: Cross multiply
   8,488.79x = 11,714.52 × 4,951.31
4. Step 4: Simplify right side
   8,488.79x = 58,002,161.45
5. Step 5: Solve for x
   x = 58,002,161.45/8,488.79
6. Step 6: Final answer
   x = 6,832.80