Finding the Fourth Proportional to 10,152.38, 15,228.42 and 2,757

Step by Step Solution

1. Step 1: Write the proportion equation
   10,152.38 : 15,228.42 = 2,757 : x
2. Step 2: Convert to fraction form
   10,152.38/15,228.42 = 2,757/x
3. Step 3: Cross multiply
   10,152.38x = 15,228.42 × 2,757
4. Step 4: Simplify right side
   10,152.38x = 41,984,753.94
5. Step 5: Solve for x
   x = 41,984,753.94/10,152.38
6. Step 6: Final answer
   x = 4,135.46