Finding the Fourth Proportional to 10,499.25, 14,488.98 and 6,308.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.25 : 14,488.98 = 6,308.31 : x
2. Step 2: Convert to fraction form
   10,499.25/14,488.98 = 6,308.31/x
3. Step 3: Cross multiply
   10,499.25x = 14,488.98 × 6,308.31
4. Step 4: Simplify right side
   10,499.25x = 91,400,977.42
5. Step 5: Solve for x
   x = 91,400,977.42/10,499.25
6. Step 6: Final answer
   x = 8,705.48