Finding the Fourth Proportional to 1,429.93, 1,973.13 and 800.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.93 : 1,973.13 = 800.49 : x
2. Step 2: Convert to fraction form
   1,429.93/1,973.13 = 800.49/x
3. Step 3: Cross multiply
   1,429.93x = 1,973.13 × 800.49
4. Step 4: Simplify right side
   1,429.93x = 1,579,470.83
5. Step 5: Solve for x
   x = 1,579,470.83/1,429.93
6. Step 6: Final answer
   x = 1,104.58