Finding the Fourth Proportional to 10,160.28, 15,241.17 and 2,765.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,160.28 : 15,241.17 = 2,765.31 : x
2. Step 2: Convert to fraction form
   10,160.28/15,241.17 = 2,765.31/x
3. Step 3: Cross multiply
   10,160.28x = 15,241.17 × 2,765.31
4. Step 4: Simplify right side
   10,160.28x = 42,146,559.81
5. Step 5: Solve for x
   x = 42,146,559.81/10,160.28
6. Step 6: Final answer
   x = 4,148.17