Finding the Fourth Proportional to 2,169.01, 2,993.20 and 1,224.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.01 : 2,993.20 = 1,224.82 : x
2. Step 2: Convert to fraction form
   2,169.01/2,993.20 = 1,224.82/x
3. Step 3: Cross multiply
   2,169.01x = 2,993.20 × 1,224.82
4. Step 4: Simplify right side
   2,169.01x = 3,666,131.22
5. Step 5: Solve for x
   x = 3,666,131.22/2,169.01
6. Step 6: Final answer
   x = 1,690.23