Finding the Fourth Proportional to 7,499.48, 10,350.16 and 6,238.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.48 : 10,350.16 = 6,238.31 : x
2. Step 2: Convert to fraction form
   7,499.48/10,350.16 = 6,238.31/x
3. Step 3: Cross multiply
   7,499.48x = 10,350.16 × 6,238.31
4. Step 4: Simplify right side
   7,499.48x = 64,567,506.63
5. Step 5: Solve for x
   x = 64,567,506.63/7,499.48
6. Step 6: Final answer
   x = 8,609.60