Finding the Fourth Proportional to 1,658.50, 2,287.78 and 1,036.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.50 : 2,287.78 = 1,036.42 : x
2. Step 2: Convert to fraction form
   1,658.50/2,287.78 = 1,036.42/x
3. Step 3: Cross multiply
   1,658.50x = 2,287.78 × 1,036.42
4. Step 4: Simplify right side
   1,658.50x = 2,371,092.74
5. Step 5: Solve for x
   x = 2,371,092.74/1,658.50
6. Step 6: Final answer
   x = 1,429.66