Finding the Fourth Proportional to 1,429.47, 1,972.67 and 799.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.47 : 1,972.67 = 799.97 : x
2. Step 2: Convert to fraction form
   1,429.47/1,972.67 = 799.97/x
3. Step 3: Cross multiply
   1,429.47x = 1,972.67 × 799.97
4. Step 4: Simplify right side
   1,429.47x = 1,578,062.96
5. Step 5: Solve for x
   x = 1,578,062.96/1,429.47
6. Step 6: Final answer
   x = 1,103.95