Finding the Fourth Proportional to 1,141.33, 1,575.06 and 699.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.33 : 1,575.06 = 699.47 : x
2. Step 2: Convert to fraction form
   1,141.33/1,575.06 = 699.47/x
3. Step 3: Cross multiply
   1,141.33x = 1,575.06 × 699.47
4. Step 4: Simplify right side
   1,141.33x = 1,101,707.22
5. Step 5: Solve for x
   x = 1,101,707.22/1,141.33
6. Step 6: Final answer
   x = 965.28