Finding the Fourth Proportional to 1,093.10, 1,507.82 and 699.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.10 : 1,507.82 = 699.44 : x
2. Step 2: Convert to fraction form
   1,093.10/1,507.82 = 699.44/x
3. Step 3: Cross multiply
   1,093.10x = 1,507.82 × 699.44
4. Step 4: Simplify right side
   1,093.10x = 1,054,618.58
5. Step 5: Solve for x
   x = 1,054,618.58/1,093.10
6. Step 6: Final answer
   x = 964.80