Finding the Fourth Proportional to 1,412.33, 1,947.74 and 963.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.33 : 1,947.74 = 963.99 : x
2. Step 2: Convert to fraction form
   1,412.33/1,947.74 = 963.99/x
3. Step 3: Cross multiply
   1,412.33x = 1,947.74 × 963.99
4. Step 4: Simplify right side
   1,412.33x = 1,877,599.77
5. Step 5: Solve for x
   x = 1,877,599.77/1,412.33
6. Step 6: Final answer
   x = 1,329.44