Finding the Fourth Proportional to 2,045.31, 3,068.04 and 658.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.31 : 3,068.04 = 658.62 : x
2. Step 2: Convert to fraction form
   2,045.31/3,068.04 = 658.62/x
3. Step 3: Cross multiply
   2,045.31x = 3,068.04 × 658.62
4. Step 4: Simplify right side
   2,045.31x = 2,020,672.50
5. Step 5: Solve for x
   x = 2,020,672.50/2,045.31
6. Step 6: Final answer
   x = 987.95