Finding the Fourth Proportional to 1,383.30, 2,071.88 and 796.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.30 : 2,071.88 = 796.92 : x
2. Step 2: Convert to fraction form
   1,383.30/2,071.88 = 796.92/x
3. Step 3: Cross multiply
   1,383.30x = 2,071.88 × 796.92
4. Step 4: Simplify right side
   1,383.30x = 1,651,118.63
5. Step 5: Solve for x
   x = 1,651,118.63/1,383.30
6. Step 6: Final answer
   x = 1,193.61