Finding the Fourth Proportional to 1,412.56, 1,948.72 and 946.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.56 : 1,948.72 = 946.96 : x
2. Step 2: Convert to fraction form
   1,412.56/1,948.72 = 946.96/x
3. Step 3: Cross multiply
   1,412.56x = 1,948.72 × 946.96
4. Step 4: Simplify right side
   1,412.56x = 1,845,359.89
5. Step 5: Solve for x
   x = 1,845,359.89/1,412.56
6. Step 6: Final answer
   x = 1,306.39