Finding the Fourth Proportional to 1,417.62, 1,956.21 and 796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.62 : 1,956.21 = 796.50 : x
2. Step 2: Convert to fraction form
   1,417.62/1,956.21 = 796.50/x
3. Step 3: Cross multiply
   1,417.62x = 1,956.21 × 796.50
4. Step 4: Simplify right side
   1,417.62x = 1,558,121.27
5. Step 5: Solve for x
   x = 1,558,121.27/1,417.62
6. Step 6: Final answer
   x = 1,099.11