Finding the Fourth Proportional to 1,417.79, 1,956.54 and 796.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.79 : 1,956.54 = 796.79 : x
2. Step 2: Convert to fraction form
   1,417.79/1,956.54 = 796.79/x
3. Step 3: Cross multiply
   1,417.79x = 1,956.54 × 796.79
4. Step 4: Simplify right side
   1,417.79x = 1,558,941.72
5. Step 5: Solve for x
   x = 1,558,941.72/1,417.79
6. Step 6: Final answer
   x = 1,099.56