Finding the Fourth Proportional to 1,375.91, 2,061.46 and 1,146.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.91 : 2,061.46 = 1,146.27 : x
2. Step 2: Convert to fraction form
   1,375.91/2,061.46 = 1,146.27/x
3. Step 3: Cross multiply
   1,375.91x = 2,061.46 × 1,146.27
4. Step 4: Simplify right side
   1,375.91x = 2,362,989.75
5. Step 5: Solve for x
   x = 2,362,989.75/1,375.91
6. Step 6: Final answer
   x = 1,717.40