Finding the Fourth Proportional to 1,404.89, 2,104.51 and 699.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.89 : 2,104.51 = 699.97 : x
2. Step 2: Convert to fraction form
   1,404.89/2,104.51 = 699.97/x
3. Step 3: Cross multiply
   1,404.89x = 2,104.51 × 699.97
4. Step 4: Simplify right side
   1,404.89x = 1,473,090.36
5. Step 5: Solve for x
   x = 1,473,090.36/1,404.89
6. Step 6: Final answer
   x = 1,048.55