Finding the Fourth Proportional to 1,417.98, 1,956.80 and 796.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.98 : 1,956.80 = 796.98 : x
2. Step 2: Convert to fraction form
   1,417.98/1,956.80 = 796.98/x
3. Step 3: Cross multiply
   1,417.98x = 1,956.80 × 796.98
4. Step 4: Simplify right side
   1,417.98x = 1,559,526.48
5. Step 5: Solve for x
   x = 1,559,526.48/1,417.98
6. Step 6: Final answer
   x = 1,099.82