Finding the Fourth Proportional to 10,096.38, 15,139.85 and 3,521.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,096.38 : 15,139.85 = 3,521.75 : x
2. Step 2: Convert to fraction form
   10,096.38/15,139.85 = 3,521.75/x
3. Step 3: Cross multiply
   10,096.38x = 15,139.85 × 3,521.75
4. Step 4: Simplify right side
   10,096.38x = 53,318,673.43
5. Step 5: Solve for x
   x = 53,318,673.43/10,096.38
6. Step 6: Final answer
   x = 5,280.97