Finding the Fourth Proportional to 1,053.05, 1,453.83 and 699.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053.05 : 1,453.83 = 699.08 : x
2. Step 2: Convert to fraction form
   1,053.05/1,453.83 = 699.08/x
3. Step 3: Cross multiply
   1,053.05x = 1,453.83 × 699.08
4. Step 4: Simplify right side
   1,053.05x = 1,016,343.48
5. Step 5: Solve for x
   x = 1,016,343.48/1,053.05
6. Step 6: Final answer
   x = 965.14