Finding the Fourth Proportional to 1,097.05, 1,516.85 and 958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097.05 : 1,516.85 = 958.72 : x
2. Step 2: Convert to fraction form
   1,097.05/1,516.85 = 958.72/x
3. Step 3: Cross multiply
   1,097.05x = 1,516.85 × 958.72
4. Step 4: Simplify right side
   1,097.05x = 1,454,234.43
5. Step 5: Solve for x
   x = 1,454,234.43/1,097.05
6. Step 6: Final answer
   x = 1,325.59