Finding the Fourth Proportional to 6,499.10, 9,758.37 and 6,272.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.10 : 9,758.37 = 6,272.30 : x
2. Step 2: Convert to fraction form
   6,499.10/9,758.37 = 6,272.30/x
3. Step 3: Cross multiply
   6,499.10x = 9,758.37 × 6,272.30
4. Step 4: Simplify right side
   6,499.10x = 61,207,472.07
5. Step 5: Solve for x
   x = 61,207,472.07/6,499.10
6. Step 6: Final answer
   x = 9,417.83