Finding the Fourth Proportional to 1,417.86, 1,956.72 and 796.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.86 : 1,956.72 = 796.86 : x
2. Step 2: Convert to fraction form
   1,417.86/1,956.72 = 796.86/x
3. Step 3: Cross multiply
   1,417.86x = 1,956.72 × 796.86
4. Step 4: Simplify right side
   1,417.86x = 1,559,231.90
5. Step 5: Solve for x
   x = 1,559,231.90/1,417.86
6. Step 6: Final answer
   x = 1,099.71