Finding the Fourth Proportional to 1,061.46, 1,591.74 and 946.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.46 : 1,591.74 = 946.08 : x
2. Step 2: Convert to fraction form
   1,061.46/1,591.74 = 946.08/x
3. Step 3: Cross multiply
   1,061.46x = 1,591.74 × 946.08
4. Step 4: Simplify right side
   1,061.46x = 1,505,913.38
5. Step 5: Solve for x
   x = 1,505,913.38/1,061.46
6. Step 6: Final answer
   x = 1,418.72