Finding the Fourth Proportional to 1,576.72, 2,364.90 and 699.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576.72 : 2,364.90 = 699.52 : x
2. Step 2: Convert to fraction form
   1,576.72/2,364.90 = 699.52/x
3. Step 3: Cross multiply
   1,576.72x = 2,364.90 × 699.52
4. Step 4: Simplify right side
   1,576.72x = 1,654,294.85
5. Step 5: Solve for x
   x = 1,654,294.85/1,576.72
6. Step 6: Final answer
   x = 1,049.20