Finding the Fourth Proportional to 10,083.48, 15,136.56 and 4,245

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.48 : 15,136.56 = 4,245 : x
2. Step 2: Convert to fraction form
   10,083.48/15,136.56 = 4,245/x
3. Step 3: Cross multiply
   10,083.48x = 15,136.56 × 4,245
4. Step 4: Simplify right side
   10,083.48x = 64,254,697.20
5. Step 5: Solve for x
   x = 64,254,697.20/10,083.48
6. Step 6: Final answer
   x = 6,372.27