Finding the Fourth Proportional to 1,093.38, 1,506.76 and 699.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093.38 : 1,506.76 = 699.72 : x
2. Step 2: Convert to fraction form
   1,093.38/1,506.76 = 699.72/x
3. Step 3: Cross multiply
   1,093.38x = 1,506.76 × 699.72
4. Step 4: Simplify right side
   1,093.38x = 1,054,310.11
5. Step 5: Solve for x
   x = 1,054,310.11/1,093.38
6. Step 6: Final answer
   x = 964.27