Finding the Fourth Proportional to 1,470.23, 2,028.50 and 946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.23 : 2,028.50 = 946.56 : x
2. Step 2: Convert to fraction form
   1,470.23/2,028.50 = 946.56/x
3. Step 3: Cross multiply
   1,470.23x = 2,028.50 × 946.56
4. Step 4: Simplify right side
   1,470.23x = 1,920,092.23
5. Step 5: Solve for x
   x = 1,920,092.23/1,470.23
6. Step 6: Final answer
   x = 1,305.99