Finding the Fourth Proportional to 1,573.34, 2,359.89 and 956.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,573.34 : 2,359.89 = 956.90 : x
2. Step 2: Convert to fraction form
   1,573.34/2,359.89 = 956.90/x
3. Step 3: Cross multiply
   1,573.34x = 2,359.89 × 956.90
4. Step 4: Simplify right side
   1,573.34x = 2,258,166.94
5. Step 5: Solve for x
   x = 2,258,166.94/1,573.34
6. Step 6: Final answer
   x = 1,435.27