Finding the Fourth Proportional to 1,619.56, 2,234.42 and 956.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619.56 : 2,234.42 = 956.27 : x
2. Step 2: Convert to fraction form
   1,619.56/2,234.42 = 956.27/x
3. Step 3: Cross multiply
   1,619.56x = 2,234.42 × 956.27
4. Step 4: Simplify right side
   1,619.56x = 2,136,713.20
5. Step 5: Solve for x
   x = 2,136,713.20/1,619.56
6. Step 6: Final answer
   x = 1,319.32