Finding the Fourth Proportional to 1,418.82, 2,124.58 and 800.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418.82 : 2,124.58 = 800.08 : x
2. Step 2: Convert to fraction form
   1,418.82/2,124.58 = 800.08/x
3. Step 3: Cross multiply
   1,418.82x = 2,124.58 × 800.08
4. Step 4: Simplify right side
   1,418.82x = 1,699,828.15
5. Step 5: Solve for x
   x = 1,699,828.15/1,418.82
6. Step 6: Final answer
   x = 1,198.06