Finding the Fourth Proportional to 10,144.78, 15,202.55 and 5,752.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.78 : 15,202.55 = 5,752.96 : x
2. Step 2: Convert to fraction form
   10,144.78/15,202.55 = 5,752.96/x
3. Step 3: Cross multiply
   10,144.78x = 15,202.55 × 5,752.96
4. Step 4: Simplify right side
   10,144.78x = 87,459,638.42
5. Step 5: Solve for x
   x = 87,459,638.42/10,144.78
6. Step 6: Final answer
   x = 8,621.15