Finding the Fourth Proportional to 6,488.58, 9,714.71 and 3,516.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,488.58 : 9,714.71 = 3,516.35 : x
2. Step 2: Convert to fraction form
   6,488.58/9,714.71 = 3,516.35/x
3. Step 3: Cross multiply
   6,488.58x = 9,714.71 × 3,516.35
4. Step 4: Simplify right side
   6,488.58x = 34,160,353.59
5. Step 5: Solve for x
   x = 34,160,353.59/6,488.58
6. Step 6: Final answer
   x = 5,264.69