Finding the Fourth Proportional to 1,146.35, 1,718.71 and 927.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.35 : 1,718.71 = 927.25 : x
2. Step 2: Convert to fraction form
   1,146.35/1,718.71 = 927.25/x
3. Step 3: Cross multiply
   1,146.35x = 1,718.71 × 927.25
4. Step 4: Simplify right side
   1,146.35x = 1,593,667.23
5. Step 5: Solve for x
   x = 1,593,667.23/1,146.35
6. Step 6: Final answer
   x = 1,390.21