Finding the Fourth Proportional to 1,429.94, 1,973.27 and 800.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.94 : 1,973.27 = 800.48 : x
2. Step 2: Convert to fraction form
   1,429.94/1,973.27 = 800.48/x
3. Step 3: Cross multiply
   1,429.94x = 1,973.27 × 800.48
4. Step 4: Simplify right side
   1,429.94x = 1,579,549.30
5. Step 5: Solve for x
   x = 1,579,549.30/1,429.94
6. Step 6: Final answer
   x = 1,104.63