Finding the Fourth Proportional to 1,469.82, 2,189.78 and 1,400.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.82 : 2,189.78 = 1,400.16 : x
2. Step 2: Convert to fraction form
   1,469.82/2,189.78 = 1,400.16/x
3. Step 3: Cross multiply
   1,469.82x = 2,189.78 × 1,400.16
4. Step 4: Simplify right side
   1,469.82x = 3,066,042.36
5. Step 5: Solve for x
   x = 3,066,042.36/1,469.82
6. Step 6: Final answer
   x = 2,086.00