Finding the Fourth Proportional to 1,697.42, 2,544.55 and 658.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.42 : 2,544.55 = 658.10 : x
2. Step 2: Convert to fraction form
   1,697.42/2,544.55 = 658.10/x
3. Step 3: Cross multiply
   1,697.42x = 2,544.55 × 658.10
4. Step 4: Simplify right side
   1,697.42x = 1,674,552.34
5. Step 5: Solve for x
   x = 1,674,552.34/1,697.42
6. Step 6: Final answer
   x = 986.53