Finding the Fourth Proportional to 2,045.38, 3,068.00 and 658.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.38 : 3,068.00 = 658.79 : x
2. Step 2: Convert to fraction form
   2,045.38/3,068.00 = 658.79/x
3. Step 3: Cross multiply
   2,045.38x = 3,068.00 × 658.79
4. Step 4: Simplify right side
   2,045.38x = 2,021,164.43
5. Step 5: Solve for x
   x = 2,021,164.43/2,045.38
6. Step 6: Final answer
   x = 988.16