Finding the Fourth Proportional to 1,420.02, 1,960.53 and 923.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,420.02 : 1,960.53 = 923.46 : x
2. Step 2: Convert to fraction form
   1,420.02/1,960.53 = 923.46/x
3. Step 3: Cross multiply
   1,420.02x = 1,960.53 × 923.46
4. Step 4: Simplify right side
   1,420.02x = 1,810,471.03
5. Step 5: Solve for x
   x = 1,810,471.03/1,420.02
6. Step 6: Final answer
   x = 1,274.96