Finding the Fourth Proportional to 2,063.48, 3,096.56 and 1,139.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.48 : 3,096.56 = 1,139.67 : x
2. Step 2: Convert to fraction form
   2,063.48/3,096.56 = 1,139.67/x
3. Step 3: Cross multiply
   2,063.48x = 3,096.56 × 1,139.67
4. Step 4: Simplify right side
   2,063.48x = 3,529,059.38
5. Step 5: Solve for x
   x = 3,529,059.38/2,063.48
6. Step 6: Final answer
   x = 1,710.25