Finding the Fourth Proportional to 1,340.28, 1,849.11 and 1,060.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.28 : 1,849.11 = 1,060.56 : x
2. Step 2: Convert to fraction form
   1,340.28/1,849.11 = 1,060.56/x
3. Step 3: Cross multiply
   1,340.28x = 1,849.11 × 1,060.56
4. Step 4: Simplify right side
   1,340.28x = 1,961,092.10
5. Step 5: Solve for x
   x = 1,961,092.10/1,340.28
6. Step 6: Final answer
   x = 1,463.20