Finding the Fourth Proportional to 1,238.73, 1,710 and 796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238.73 : 1,710 = 796.88 : x
2. Step 2: Convert to fraction form
   1,238.73/1,710 = 796.88/x
3. Step 3: Cross multiply
   1,238.73x = 1,710 × 796.88
4. Step 4: Simplify right side
   1,238.73x = 1,362,656.25
5. Step 5: Solve for x
   x = 1,362,656.25/1,238.73
6. Step 6: Final answer
   x = 1,100.04