Finding the Fourth Proportional to 1,424.18, 1,966.43 and 927.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.18 : 1,966.43 = 927.10 : x
2. Step 2: Convert to fraction form
   1,424.18/1,966.43 = 927.10/x
3. Step 3: Cross multiply
   1,424.18x = 1,966.43 × 927.10
4. Step 4: Simplify right side
   1,424.18x = 1,823,065.75
5. Step 5: Solve for x
   x = 1,823,065.75/1,424.18
6. Step 6: Final answer
   x = 1,280.08