Finding the Fourth Proportional to 1,092.34, 1,635.27 and 658.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.34 : 1,635.27 = 658.18 : x
2. Step 2: Convert to fraction form
   1,092.34/1,635.27 = 658.18/x
3. Step 3: Cross multiply
   1,092.34x = 1,635.27 × 658.18
4. Step 4: Simplify right side
   1,092.34x = 1,076,302.01
5. Step 5: Solve for x
   x = 1,076,302.01/1,092.34
6. Step 6: Final answer
   x = 985.32